1312420124442 has 32 divisors (see below), whose sum is σ = 2999891289600. Its totient is φ = 374967945648.

The previous prime is 1312420124399. The next prime is 1312420124459. The reversal of 1312420124442 is 2444210242131.

It is a super-2 number, since 2×1312420124442² (a number of 25 digits) contains 22 as substring.

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, 1443609 + ... + 2169987.

It is an arithmetic number, because the mean of its divisors is an integer number (93746602800).

Almost surely, 2^{1312420124442} is an apocalyptic number.

1312420124442 is an abundant number, since it is smaller than the sum of its proper divisors (1687471165158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312420124442 is a wasteful number, since it uses less digits than its factorization.

1312420124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769410.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1312420124442 its reverse (2444210242131), we get a palindrome (3756630366573).

The spelling of 1312420124442 in words is "one trillion, three hundred twelve billion, four hundred twenty million, one hundred twenty-four thousand, four hundred forty-two".