12118380954 has 16 divisors (see below), whose sum is σ = 24239484192. Its totient is φ = 4039006608.

The previous prime is 12118380949. The next prime is 12118381019. The reversal of 12118380954 is 45908381121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53089 + ... + 164484.

It is an arithmetic number, because the mean of its divisors is an integer number (1514967762).

Almost surely, 2^12118380954 is an apocalyptic number.

12118380954 is an abundant number, since it is smaller than the sum of its proper divisors (12121103238).

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

12118380954 is a wasteful number, since it uses less digits than its factorization.

12118380954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226861.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 12118380954 in words is "twelve billion, one hundred eighteen million, three hundred eighty thousand, nine hundred fifty-four".