121232023132 has 12 divisors (see below), whose sum is σ = 231442953336. Its totient is φ = 55105465040.

The previous prime is 121232023097. The next prime is 121232023141. The reversal of 121232023132 is 231320232121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377636583 + ... + 1377636670.

It is an arithmetic number, because the mean of its divisors is an integer number (19286912778).

Almost surely, 2^121232023132 is an apocalyptic number.

It is an amenable number.

121232023132 is a deficient number, since it is larger than the sum of its proper divisors (110210930204).

121232023132 is a wasteful number, since it uses less digits than its factorization.

121232023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755273268 (or 2755273266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121232023132 its reverse (231320232121), we get a palindrome (352552255253).

The spelling of 121232023132 in words is "one hundred twenty-one billion, two hundred thirty-two million, twenty-three thousand, one hundred thirty-two".