121323303120 has 80 divisors (see below), whose sum is σ = 376171494912. Its totient is φ = 32346923520.

The previous prime is 121323303103. The next prime is 121323303139. The reversal of 121323303120 is 21303323121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346194 + ... + 1433486.

Almost surely, 2^121323303120 is an apocalyptic number.

121323303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323303120 is an abundant number, since it is smaller than the sum of its proper divisors (254848191792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121323303120 is a wasteful number, since it uses less digits than its factorization.

121323303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93100 (or 93094 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121323303120 its reverse (21303323121), we get a palindrome (142626626241).

The spelling of 121323303120 in words is "one hundred twenty-one billion, three hundred twenty-three million, three hundred three thousand, one hundred twenty".