12154730474 has 4 divisors (see below), whose sum is σ = 18232095714. Its totient is φ = 6077365236.

The previous prime is 12154730411. The next prime is 12154730503. The reversal of 12154730474 is 47403745121.

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

It can be written as a sum of positive squares in only one way, i.e., 11786359225 + 368371249 = 108565^2 + 19193^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038682617 + ... + 3038682620.

Almost surely, 2^12154730474 is an apocalyptic number.

12154730474 is a deficient number, since it is larger than the sum of its proper divisors (6077365240).

12154730474 is an equidigital number, since it uses as much as digits as its factorization.

12154730474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077365239.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 12154730474 in words is "twelve billion, one hundred fifty-four million, seven hundred thirty thousand, four hundred seventy-four".