120121300000231 has 6 divisors (see below), whose sum is σ = 127602903460760. Its totient is φ = 113055341176416.

The previous prime is 120121300000201. The next prime is 120121300000279. The reversal of 120121300000231 is 132000003121021.

It is not a de Polignac number, because 120121300000231 - 2⁹ = 120121299999719 is a prime.

It is a super-2 number, since 2×120121300000231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121300000201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207822318051 + ... + 207822318628.

Almost surely, 2^{120121300000231} is an apocalyptic number.

120121300000231 is a deficient number, since it is larger than the sum of its proper divisors (7481603460529).

120121300000231 is an equidigital number, since it uses as much as digits as its factorization.

120121300000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415644636713 (or 415644636696 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120121300000231 its reverse (132000003121021), we get a palindrome (252121303121252).

The spelling of 120121300000231 in words is "one hundred twenty trillion, one hundred twenty-one billion, three hundred million, two hundred thirty-one", and thus it is an aban number.