13021116129 has 48 divisors (see below), whose sum is σ = 21775536640. Its totient is φ = 7344120960.

The previous prime is 13021116127. The next prime is 13021116131. The reversal of 13021116129 is 92161112031.

It is a happy number.

13021116129 is a `hidden beast` number, since 1 + 30 + 2 + 1 + 11 + 612 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (13021116127) and next prime (13021116131).

It is not a de Polignac number, because 13021116129 - 2¹ = 13021116127 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13021116127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1857459 + ... + 1864455.

Almost surely, 2^13021116129 is an apocalyptic number.

It is an amenable number.

13021116129 is a deficient number, since it is larger than the sum of its proper divisors (8754420511).

13021116129 is a wasteful number, since it uses less digits than its factorization.

13021116129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390 (or 7387 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 13021116129 in words is "thirteen billion, twenty-one million, one hundred sixteen thousand, one hundred twenty-nine".