1312425545542 has 4 divisors (see below), whose sum is σ = 1968638318316. Its totient is φ = 656212772770.

The previous prime is 1312425545537. The next prime is 1312425545573. The reversal of 1312425545542 is 2455455242131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328106386384 + ... + 328106386387.

It is an arithmetic number, because the mean of its divisors is an integer number (492159579579).

Almost surely, 2^{1312425545542} is an apocalyptic number.

1312425545542 is a deficient number, since it is larger than the sum of its proper divisors (656212772774).

1312425545542 is an equidigital number, since it uses as much as digits as its factorization.

1312425545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656212772773.

The product of its digits is 960000, while the sum is 43.

The spelling of 1312425545542 in words is "one trillion, three hundred twelve billion, four hundred twenty-five million, five hundred forty-five thousand, five hundred forty-two".