1312122231310 has 32 divisors (see below), whose sum is σ = 2579010969600. Its totient is φ = 476676089760.

The previous prime is 1312122231269. The next prime is 1312122231313. The reversal of 1312122231310 is 131322212131.

It is a super-2 number, since 2×1312122231310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312122231313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5626030 + ... + 5854609.

It is an arithmetic number, because the mean of its divisors is an integer number (80594092800).

Almost surely, 2^{1312122231310} is an apocalyptic number.

1312122231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312122231310 is a deficient number, since it is larger than the sum of its proper divisors (1266888738290).

1312122231310 is a wasteful number, since it uses less digits than its factorization.

1312122231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481696.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312122231310 its reverse (131322212131), we get a palindrome (1443444443441).

The spelling of 1312122231310 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred ten".