1312112012312 has 16 divisors (see below), whose sum is σ = 2476721502000. Its totient is φ = 651652945120.

The previous prime is 1312112012269. The next prime is 1312112012371. The reversal of 1312112012312 is 2132102112131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550381364 + ... + 550383747.

It is an arithmetic number, because the mean of its divisors is an integer number (154795093875).

Almost surely, 2^{1312112012312} is an apocalyptic number.

It is an amenable number.

1312112012312 is a deficient number, since it is larger than the sum of its proper divisors (1164609489688).

1312112012312 is a wasteful number, since it uses less digits than its factorization.

1312112012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100765266 (or 1100765262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1312112012312 its reverse (2132102112131), we get a palindrome (3444214124443).

The spelling of 1312112012312 in words is "one trillion, three hundred twelve billion, one hundred twelve million, twelve thousand, three hundred twelve".