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12020023213000 = 23531117591089461
BaseRepresentation
bin1010111011101010000100…
…1101101011101111001000
31120120002210002021201021221
42232322201031223233020
53033414001420304000
641321531125011424
72350263244346545
oct256724115535710
946502702251257
1012020023213000
113914732819120
121421689553b74
13692638b3420a
142d7ab4dc7bcc
1515ca05c2461a
hexaeea136bbc8

12020023213000 has 256 divisors, whose sum is σ = 33039460396800. Its totient is φ = 4044075520000.

The previous prime is 12020023212973. The next prime is 12020023213031. The reversal of 12020023213000 is 31232002021.

It is a super-3 number, since 3×120200232130003 (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10488270 + ... + 11577730.

It is an arithmetic number, because the mean of its divisors is an integer number (129060392175).

Almost surely, 212020023213000 is an apocalyptic number.

12020023213000 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 12020023213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16519730198400).

12020023213000 is an abundant number, since it is smaller than the sum of its proper divisors (21019437183800).

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

12020023213000 is a wasteful number, since it uses less digits than its factorization.

12020023213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089569 (or 1089555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12020023213000 its reverse (31232002021), we get a palindrome (12051255215021).

The spelling of 12020023213000 in words is "twelve trillion, twenty billion, twenty-three million, two hundred thirteen thousand".