1312301122012 has 24 divisors (see below), whose sum is σ = 2377438126560. Its totient is φ = 633065858880.

The previous prime is 1312301122001. The next prime is 1312301122031. The reversal of 1312301122012 is 2102211032131.

It is a super-2 number, since 2×1312301122012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3935728 + ... + 4256119.

It is an arithmetic number, because the mean of its divisors is an integer number (99059921940).

Almost surely, 2^{1312301122012} is an apocalyptic number.

It is an amenable number.

1312301122012 is a deficient number, since it is larger than the sum of its proper divisors (1065137004548).

1312301122012 is a wasteful number, since it uses less digits than its factorization.

1312301122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193261 (or 8193259 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1312301122012 its reverse (2102211032131), we get a palindrome (3414512154143).

The spelling of 1312301122012 in words is "one trillion, three hundred twelve billion, three hundred one million, one hundred twenty-two thousand, twelve".