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12230622147500 = 225415793098321
BaseRepresentation
bin1011000111111010100111…
…1000110111001110101100
31121022020101002100001120222
42301332221320313032230
53100341303232210000
642002400435030512
72401430134636331
oct261765170671654
947266332301528
1012230622147500
113995a83394719
12145646273b438
136a945bc55463
14303d729b8988
1516322e913a85
hexb1fa9e373ac

12230622147500 has 60 divisors (see below), whose sum is σ = 26762871670920. Its totient is φ = 4889148960000.

The previous prime is 12230622147449. The next prime is 12230622147509. The reversal of 12230622147500 is 574122603221.

It is a super-2 number, since 2×122306221475002 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12230622147509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2398340 + ... + 5496660.

It is an arithmetic number, because the mean of its divisors is an integer number (446047861182).

Almost surely, 212230622147500 is an apocalyptic number.

12230622147500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12230622147500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13381435835460).

12230622147500 is an abundant number, since it is smaller than the sum of its proper divisors (14532249523420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12230622147500 is a wasteful number, since it uses less digits than its factorization.

12230622147500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099924 (or 3099907 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 12230622147500 in words is "twelve trillion, two hundred thirty billion, six hundred twenty-two million, one hundred forty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 1579 2500 3158 6316 7895 15790 31580 39475 78950 157900 197375 394750 789500 986875 1973750 3098321 3947500 6196642 12393284 15491605 30983210 61966420 77458025 154916050 309832100 387290125 774580250 1549160500 1936450625 3872901250 4892248859 7745802500 9784497718 19568995436 24461244295 48922488590 97844977180 122306221475 244612442950 489224885900 611531107375 1223062214750 2446124429500 3057655536875 6115311073750 12230622147500