12031000016 has 40 divisors (see below), whose sum is σ = 26914735680. Its totient is φ = 5102982144.

The previous prime is 12030999979. The next prime is 12031000027. The reversal of 12031000016 is 61000013021.

It is a super-2 number, since 2×12031000016² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542846 + ... + 564573.

It is an arithmetic number, because the mean of its divisors is an integer number (672868392).

Almost surely, 2^12031000016 is an apocalyptic number.

12031000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12031000016 is an abundant number, since it is smaller than the sum of its proper divisors (14883735664).

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

12031000016 is a wasteful number, since it uses less digits than its factorization.

12031000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107531 (or 1107525 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12031000016 its reverse (61000013021), we get a palindrome (73031013037).

The spelling of 12031000016 in words is "twelve billion, thirty-one million, sixteen", and thus it is an aban number and an uban number.