1312152154042 has 16 divisors (see below), whose sum is σ = 2174615335872. Its totient is φ = 590636263360.

The previous prime is 1312152154007. The next prime is 1312152154069. The reversal of 1312152154042 is 2404512512131.

It is a junction number, because it is equal to n+sod(n) for n = 1312152153995 and 1312152154013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838971184 + ... + 838972747.

It is an arithmetic number, because the mean of its divisors is an integer number (135913458492).

Almost surely, 2^{1312152154042} is an apocalyptic number.

1312152154042 is a deficient number, since it is larger than the sum of its proper divisors (862463181830).

1312152154042 is a wasteful number, since it uses less digits than its factorization.

1312152154042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677943973.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1312152154042 its reverse (2404512512131), we get a palindrome (3716664666173).

The spelling of 1312152154042 in words is "one trillion, three hundred twelve billion, one hundred fifty-two million, one hundred fifty-four thousand, forty-two".