12912094555 has 8 divisors (see below), whose sum is σ = 15499657152. Its totient is φ = 10326246528.

The previous prime is 12912094513. The next prime is 12912094583. The reversal of 12912094555 is 55549021921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12912094555 - 2¹⁵ = 12912061787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412014 + ... + 442243.

It is an arithmetic number, because the mean of its divisors is an integer number (1937457144).

Almost surely, 2^12912094555 is an apocalyptic number.

12912094555 is a deficient number, since it is larger than the sum of its proper divisors (2587562597).

12912094555 is an equidigital number, since it uses as much as digits as its factorization.

12912094555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857285.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 12912094555 in words is "twelve billion, nine hundred twelve million, ninety-four thousand, five hundred fifty-five".