12742315422 has 32 divisors (see below), whose sum is σ = 28156937472. Its totient is φ = 3823780224.

The previous prime is 12742315409. The next prime is 12742315433. The reversal of 12742315422 is 22451324721.

It is a happy number.

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, 2713408 + ... + 2718099.

It is an arithmetic number, because the mean of its divisors is an integer number (879904296).

Almost surely, 2^12742315422 is an apocalyptic number.

12742315422 is an abundant number, since it is smaller than the sum of its proper divisors (15414622050).

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

12742315422 is a wasteful number, since it uses less digits than its factorization.

12742315422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431552.

The product of its digits is 26880, while the sum is 33.

It can be divided in two parts, 127423 and 15422, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 12742315422 in words is "twelve billion, seven hundred forty-two million, three hundred fifteen thousand, four hundred twenty-two".