12126914401 has 12 divisors (see below), whose sum is σ = 14196680148. Its totient is φ = 10328284512.

The previous prime is 12126914357. The next prime is 12126914411. The reversal of 12126914401 is 10441962121.

It can be written as a sum of positive squares in 2 ways, for example, as 5945181025 + 6181733376 = 77105^2 + 78624^2 .

It is not a de Polignac number, because 12126914401 - 2⁹ = 12126913889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12126914411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780486 + ... + 795871.

It is an arithmetic number, because the mean of its divisors is an integer number (1183056679).

Almost surely, 2^12126914401 is an apocalyptic number.

It is an amenable number.

12126914401 is a deficient number, since it is larger than the sum of its proper divisors (2069765747).

12126914401 is a wasteful number, since it uses less digits than its factorization.

12126914401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576528 (or 1576521 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12126914401 in words is "twelve billion, one hundred twenty-six million, nine hundred fourteen thousand, four hundred one".