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12031230233022 = 23721113223939199
BaseRepresentation
bin1010111100010011110100…
…1101000100100110111110
31120121011201010021022121120
42233010331031010212332
53034104424414424042
641331023150211410
72351141046425400
oct257047515044676
946534633238546
1012031230233022
1139194638a4140
1214238967b3b66
13693703903200
142d8459586b70
1515ce5ea57dec
hexaf13d3449be

12031230233022 has 288 divisors, whose sum is σ = 33082659187200. Its totient is φ = 2883091760640.

The previous prime is 12031230232981. The next prime is 12031230233027. The reversal of 12031230233022 is 22033203213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031230232983 and 12031230233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031230233027) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1307879979 + ... + 1307889177.

It is an arithmetic number, because the mean of its divisors is an integer number (114870344400).

Almost surely, 212031230233022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031230233022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16541329593600).

12031230233022 is an abundant number, since it is smaller than the sum of its proper divisors (21051428954178).

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

12031230233022 is a wasteful number, since it uses less digits than its factorization.

12031230233022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648 (or 11628 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12031230233022 its reverse (22033203213021), we get a palindrome (34064433446043).

The spelling of 12031230233022 in words is "twelve trillion, thirty-one billion, two hundred thirty million, two hundred thirty-three thousand, twenty-two".