120310231210421 has 24 divisors (see below), whose sum is σ = 143368481473560. Its totient is φ = 100606257024000.

The previous prime is 120310231210399. The next prime is 120310231210453. The reversal of 120310231210421 is 124012132013021.

It can be written as a sum of positive squares in 4 ways, for example, as 7498451188900 + 112811780021521 = 2738330^2 + 10621289^2 .

It is not a de Polignac number, because 120310231210421 - 2¹⁸ = 120310230948277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120310231210721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135367475 + ... + 136253343.

It is an arithmetic number, because the mean of its divisors is an integer number (5973686728065).

Almost surely, 2^{120310231210421} is an apocalyptic number.

It is an amenable number.

120310231210421 is a deficient number, since it is larger than the sum of its proper divisors (23058250263139).

120310231210421 is an equidigital number, since it uses as much as digits as its factorization.

120310231210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953525 (or 953518 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 120310231210421 its reverse (124012132013021), we get a palindrome (244322363223442).

The spelling of 120310231210421 in words is "one hundred twenty trillion, three hundred ten billion, two hundred thirty-one million, two hundred ten thousand, four hundred twenty-one".