121930733770 has 32 divisors (see below), whose sum is σ = 220376822400. Its totient is φ = 48572308800.

The previous prime is 121930733761. The next prime is 121930733777. The reversal of 121930733770 is 77337039121.

It is not an unprimeable number, because it can be changed into a prime (121930733777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851045 + ... + 2893495.

It is an arithmetic number, because the mean of its divisors is an integer number (6886775700).

Almost surely, 2^121930733770 is an apocalyptic number.

121930733770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121930733770 is a deficient number, since it is larger than the sum of its proper divisors (98446088630).

121930733770 is a wasteful number, since it uses less digits than its factorization.

121930733770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43630.

The product of its (nonzero) digits is 166698, while the sum is 43.

The spelling of 121930733770 in words is "one hundred twenty-one billion, nine hundred thirty million, seven hundred thirty-three thousand, seven hundred seventy".