121020403230 has 48 divisors (see below), whose sum is σ = 314678407680. Its totient is φ = 32269506624.

The previous prime is 121020403211. The next prime is 121020403253. The reversal of 121020403230 is 32304020121.

121020403230 is a `hidden beast` number, since 1 + 2 + 10 + 20 + 403 + 230 = 666.

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

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, 1239331 + ... + 1333409.

It is an arithmetic number, because the mean of its divisors is an integer number (6555800160).

Almost surely, 2^121020403230 is an apocalyptic number.

121020403230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020403230 is an abundant number, since it is smaller than the sum of its proper divisors (193658004450).

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

121020403230 is a wasteful number, since it uses less digits than its factorization.

121020403230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108385 (or 108382 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121020403230 its reverse (32304020121), we get a palindrome (153324423351).

The spelling of 121020403230 in words is "one hundred twenty-one billion, twenty million, four hundred three thousand, two hundred thirty".