121232013222123 has 12 divisors (see below), whose sum is σ = 185413667281128. Its totient is φ = 76067145551040.

The previous prime is 121232013222059. The next prime is 121232013222149. The reversal of 121232013222123 is 321222310232121.

121232013222123 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 320 + 1 + 322 + 2 + 12 + 3 = 666.

It is not a de Polignac number, because 121232013222123 - 2⁶ = 121232013222059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121232013222823) 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, 396183049593 + ... + 396183049898.

It is an arithmetic number, because the mean of its divisors is an integer number (15451138940094).

Almost surely, 2^{121232013222123} is an apocalyptic number.

121232013222123 is a deficient number, since it is larger than the sum of its proper divisors (64181654059005).

121232013222123 is a wasteful number, since it uses less digits than its factorization.

121232013222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792366099514 (or 792366099511 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121232013222123 its reverse (321222310232121), we get a palindrome (442454323454244).

The spelling of 121232013222123 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, thirteen million, two hundred twenty-two thousand, one hundred twenty-three".