231232132212129 has 96 divisors (see below), whose sum is σ = 354466432869120. Its totient is φ = 144848493471744.

The previous prime is 231232132212121. The next prime is 231232132212143. The reversal of 231232132212129 is 921212231232132.

231232132212129 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 3 + 213 + 221 + 212 + 9 = 666.

It is not a de Polignac number, because 231232132212129 - 2³ = 231232132212121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231232132212093 and 231232132212102.

It is not an unprimeable number, because it can be changed into a prime (231232132212121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17851621117 + ... + 17851634069.

It is an arithmetic number, because the mean of its divisors is an integer number (3692358675720).

Almost surely, 2^{231232132212129} is an apocalyptic number.

It is an amenable number.

231232132212129 is a deficient number, since it is larger than the sum of its proper divisors (123234300656991).

231232132212129 is a wasteful number, since it uses less digits than its factorization.

231232132212129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951 (or 14948 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The spelling of 231232132212129 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred twelve thousand, one hundred twenty-nine".