1210210120231 has 12 divisors (see below), whose sum is σ = 1427623554960. Its totient is φ = 1022712774720.

The previous prime is 1210210120213. The next prime is 1210210120241. The reversal of 1210210120231 is 1320210120121.

It is not a de Polignac number, because 1210210120231 - 2¹⁹ = 1210209595943 is a prime.

It is a super-2 number, since 2×1210210120231² (a number of 25 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 (1210210120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173927266 + ... + 173934223.

It is an arithmetic number, because the mean of its divisors is an integer number (118968629580).

Almost surely, 2^{1210210120231} is an apocalyptic number.

1210210120231 is a deficient number, since it is larger than the sum of its proper divisors (217413434729).

1210210120231 is an equidigital number, since it uses as much as digits as its factorization.

1210210120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347861574 (or 347861567 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1210210120231 its reverse (1320210120121), we get a palindrome (2530420240352).

The spelling of 1210210120231 in words is "one trillion, two hundred ten billion, two hundred ten million, one hundred twenty thousand, two hundred thirty-one".