12110640437 has 16 divisors (see below), whose sum is σ = 13994006400. Its totient is φ = 10265952960.

The previous prime is 12110640433. The next prime is 12110640449. The reversal of 12110640437 is 73404601121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12110640437 - 2² = 12110640433 is a prime.

It is a super-2 number, since 2×12110640437² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110640433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398114 + ... + 427452.

It is an arithmetic number, because the mean of its divisors is an integer number (874625400).

Almost surely, 2^12110640437 is an apocalyptic number.

It is an amenable number.

12110640437 is a deficient number, since it is larger than the sum of its proper divisors (1883365963).

12110640437 is a wasteful number, since it uses less digits than its factorization.

12110640437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29996.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 12110640437 in words is "twelve billion, one hundred ten million, six hundred forty thousand, four hundred thirty-seven".