121023020232 has 96 divisors (see below), whose sum is σ = 329847406200. Its totient is φ = 40086125568.

The previous prime is 121023020231. The next prime is 121023020257. The reversal of 121023020232 is 232020320121.

It can be written as a sum of positive squares in 4 ways, for example, as 117329541156 + 3693479076 = 342534^2 + 60774^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121023020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8531898 + ... + 8546070.

Almost surely, 2^121023020232 is an apocalyptic number.

121023020232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121023020232 is an abundant number, since it is smaller than the sum of its proper divisors (208824385968).

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

121023020232 is a wasteful number, since it uses less digits than its factorization.

121023020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927 (or 14920 counting only the distinct ones).

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

Adding to 121023020232 its reverse (232020320121), we get a palindrome (353043340353).

The spelling of 121023020232 in words is "one hundred twenty-one billion, twenty-three million, twenty thousand, two hundred thirty-two".