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12197802232 = 2371150938903
BaseRepresentation
bin10110101110000101…
…11011000011111000
31011111002022120000001
423113002323003320
5144440114132412
65334213122344
7611162415430
oct132702730370
934432276001
1012197802232
11519a3833a0
1224450293b4
1311c512c675
14839dcb2c0
154b5ce3957
hex2d70bb0f8

12197802232 has 64 divisors (see below), whose sum is σ = 28571097600. Its totient is φ = 4742931840.

The previous prime is 12197802223. The next prime is 12197802241. The reversal of 12197802232 is 23220879121.

It is an interprime number because it is at equal distance from previous prime (12197802223) and next prime (12197802241).

It is a junction number, because it is equal to n+sod(n) for n = 12197802191 and 12197802200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294093 + ... + 332995.

It is an arithmetic number, because the mean of its divisors is an integer number (446423400).

Almost surely, 212197802232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12197802232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14285548800).

12197802232 is an abundant number, since it is smaller than the sum of its proper divisors (16373295368).

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

12197802232 is a wasteful number, since it uses less digits than its factorization.

12197802232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39436 (or 39432 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 12197802232 in words is "twelve billion, one hundred ninety-seven million, eight hundred two thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 509 616 1018 2036 3563 4072 5599 7126 11198 14252 22396 28504 38903 39193 44792 77806 78386 155612 156772 272321 311224 313544 427933 544642 855866 1089284 1711732 2178568 2995531 3423464 5991062 11982124 19801627 23964248 39603254 79206508 138611389 158413016 217817897 277222778 435635794 554445556 871271588 1108891112 1524725279 1742543176 3049450558 6098901116 12197802232