121323403112 has 16 divisors (see below), whose sum is σ = 227504191200. Its totient is φ = 60655618800.

The previous prime is 121323403099. The next prime is 121323403127. The reversal of 121323403112 is 211304323121.

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, 675014 + ... + 835637.

It is an arithmetic number, because the mean of its divisors is an integer number (14219011950).

Almost surely, 2^121323403112 is an apocalyptic number.

It is an amenable number.

121323403112 is a deficient number, since it is larger than the sum of its proper divisors (106180788088).

121323403112 is a wasteful number, since it uses less digits than its factorization.

121323403112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520696 (or 1520692 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121323403112 its reverse (211304323121), we get a palindrome (332627726233).

The spelling of 121323403112 in words is "one hundred twenty-one billion, three hundred twenty-three million, four hundred three thousand, one hundred twelve".