12937778954 has 8 divisors (see below), whose sum is σ = 19588039488. Its totient is φ = 6408432460.

The previous prime is 12937778939. The next prime is 12937778981. The reversal of 12937778954 is 45987773921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12937778954² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30228242 + ... + 30228669.

It is an arithmetic number, because the mean of its divisors is an integer number (2448504936).

Almost surely, 2^12937778954 is an apocalyptic number.

12937778954 is a deficient number, since it is larger than the sum of its proper divisors (6650260534).

12937778954 is a wasteful number, since it uses less digits than its factorization.

12937778954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60457020.

The product of its digits is 26671680, while the sum is 62.

The spelling of 12937778954 in words is "twelve billion, nine hundred thirty-seven million, seven hundred seventy-eight thousand, nine hundred fifty-four".