121013023320 has 96 divisors (see below), whose sum is σ = 449476953120. Its totient is φ = 27660119040.

The previous prime is 121013023297. The next prime is 121013023357. The reversal of 121013023320 is 23320310121.

121013023320 is a `hidden beast` number, since 1 + 210 + 130 + 2 + 3 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121013023293 and 121013023302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24008001 + ... + 24013040.

It is an arithmetic number, because the mean of its divisors is an integer number (4682051595).

Almost surely, 2^121013023320 is an apocalyptic number.

121013023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013023320 is an abundant number, since it is smaller than the sum of its proper divisors (328463929800).

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

121013023320 is a wasteful number, since it uses less digits than its factorization.

121013023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48021065 (or 48021058 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121013023320 its reverse (23320310121), we get a palindrome (144333333441).

The spelling of 121013023320 in words is "one hundred twenty-one billion, thirteen million, twenty-three thousand, three hundred twenty".