32013121129 has 12 divisors (see below), whose sum is σ = 35444841012. Its totient is φ = 28890392960.

The previous prime is 32013121117. The next prime is 32013121163. The reversal of 32013121129 is 92112131023.

It can be written as a sum of positive squares in 2 ways, for example, as 16099803225 + 15913317904 = 126885^2 + 126148^2 .

It is not a de Polignac number, because 32013121129 - 2⁵ = 32013121097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32013121529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949012 + ... + 982165.

It is an arithmetic number, because the mean of its divisors is an integer number (2953736751).

Almost surely, 2^32013121129 is an apocalyptic number.

It is an amenable number.

32013121129 is a deficient number, since it is larger than the sum of its proper divisors (3431719883).

32013121129 is a wasteful number, since it uses less digits than its factorization.

32013121129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931336 (or 1931325 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 32013121129 in words is "thirty-two billion, thirteen million, one hundred twenty-one thousand, one hundred twenty-nine".