1312251120112 has 80 divisors (see below), whose sum is σ = 2589921734400. Its totient is φ = 644010048000.

The previous prime is 1312251120091. The next prime is 1312251120149. The reversal of 1312251120112 is 2110211522131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109723189 + ... + 109735147.

It is an arithmetic number, because the mean of its divisors is an integer number (32374021680).

Almost surely, 2^{1312251120112} is an apocalyptic number.

It is an amenable number.

1312251120112 is a deficient number, since it is larger than the sum of its proper divisors (1277670614288).

1312251120112 is a wasteful number, since it uses less digits than its factorization.

1312251120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614 (or 12608 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1312251120112 its reverse (2110211522131), we get a palindrome (3422462642243).

The spelling of 1312251120112 in words is "one trillion, three hundred twelve billion, two hundred fifty-one million, one hundred twenty thousand, one hundred twelve".