12478763154342 has 32 divisors (see below), whose sum is σ = 26049857213952. Its totient is φ = 3977632859904.

The previous prime is 12478763154323. The next prime is 12478763154353. The reversal of 12478763154342 is 24345136787421.

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, 12037003 + ... + 13032534.

It is an arithmetic number, because the mean of its divisors is an integer number (814058037936).

Almost surely, 2^{12478763154342} is an apocalyptic number.

12478763154342 is an abundant number, since it is smaller than the sum of its proper divisors (13571094059610).

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

12478763154342 is a wasteful number, since it uses less digits than its factorization.

12478763154342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25073172.

The product of its digits is 27095040, while the sum is 57.

The spelling of 12478763154342 in words is "twelve trillion, four hundred seventy-eight billion, seven hundred sixty-three million, one hundred fifty-four thousand, three hundred forty-two".