1210313022123 has 4 divisors (see below), whose sum is σ = 1613750696168. Its totient is φ = 806875348080.

The previous prime is 1210313022119. The next prime is 1210313022173. The reversal of 1210313022123 is 3212203130121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1210313022123 - 2² = 1210313022119 is a prime.

It is a super-2 number, since 2×1210313022123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210313022123.

It is not an unprimeable number, because it can be changed into a prime (1210313022103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201718837018 + ... + 201718837023.

It is an arithmetic number, because the mean of its divisors is an integer number (403437674042).

Almost surely, 2^{1210313022123} is an apocalyptic number.

1210313022123 is a deficient number, since it is larger than the sum of its proper divisors (403437674045).

1210313022123 is an equidigital number, since it uses as much as digits as its factorization.

1210313022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403437674044.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1210313022123 its reverse (3212203130121), we get a palindrome (4422516152244).

The spelling of 1210313022123 in words is "one trillion, two hundred ten billion, three hundred thirteen million, twenty-two thousand, one hundred twenty-three".