230121301232120 has 32 divisors (see below), whose sum is σ = 518127809965200. Its totient is φ = 91985430325248.

The previous prime is 230121301231979. The next prime is 230121301232183. The reversal of 230121301232120 is 21232103121032.

It is a super-2 number, since 2×230121301232120² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971508649 + ... + 1971625368.

Almost surely, 2^{230121301232120} is an apocalyptic number.

230121301232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230121301232120 is an abundant number, since it is smaller than the sum of its proper divisors (288006508733080).

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

230121301232120 is a wasteful number, since it uses less digits than its factorization.

230121301232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943135487 (or 3943135483 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 230121301232120 its reverse (21232103121032), we get a palindrome (251353404353152).

The spelling of 230121301232120 in words is "two hundred thirty trillion, one hundred twenty-one billion, three hundred one million, two hundred thirty-two thousand, one hundred twenty".