12699551037 has 64 divisors (see below), whose sum is σ = 18814924800. Its totient is φ = 7587820800.

The previous prime is 12699551003. The next prime is 12699551099. The reversal of 12699551037 is 73015599621.

It is not a de Polignac number, because 12699551037 - 2⁶ = 12699550973 is a prime.

It is a super-2 number, since 2×12699551037² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699551537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20716743 + ... + 20717355.

It is an arithmetic number, because the mean of its divisors is an integer number (293983200).

Almost surely, 2^12699551037 is an apocalyptic number.

It is an amenable number.

12699551037 is a deficient number, since it is larger than the sum of its proper divisors (6115373763).

12699551037 is a wasteful number, since it uses less digits than its factorization.

12699551037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 12699551037 in words is "twelve billion, six hundred ninety-nine million, five hundred fifty-one thousand, thirty-seven".