12902231121 has 32 divisors (see below), whose sum is σ = 18763879680. Its totient is φ = 7838290944.

The previous prime is 12902231063. The next prime is 12902231129. The reversal of 12902231121 is 12113220921.

It is not a de Polignac number, because 12902231121 - 2⁶ = 12902231057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12902231091 and 12902231100.

It is not an unprimeable number, because it can be changed into a prime (12902231129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2520861 + ... + 2525973.

It is an arithmetic number, because the mean of its divisors is an integer number (586371240).

Almost surely, 2^12902231121 is an apocalyptic number.

It is an amenable number.

12902231121 is a deficient number, since it is larger than the sum of its proper divisors (5861648559).

12902231121 is a wasteful number, since it uses less digits than its factorization.

12902231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 12902231121 in words is "twelve billion, nine hundred two million, two hundred thirty-one thousand, one hundred twenty-one".