12126700574121 has 16 divisors (see below), whose sum is σ = 18480759947264. Its totient is φ = 6928801390224.

The previous prime is 12126700574111. The next prime is 12126700574137. The reversal of 12126700574121 is 12147500762121.

It is not a de Polignac number, because 12126700574121 - 2¹⁷ = 12126700443049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12126700574121.

It is not an unprimeable number, because it can be changed into a prime (12126700574111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30707251 + ... + 31099656.

It is an arithmetic number, because the mean of its divisors is an integer number (1155047496704).

Almost surely, 2^{12126700574121} is an apocalyptic number.

It is an amenable number.

12126700574121 is a deficient number, since it is larger than the sum of its proper divisors (6354059373143).

12126700574121 is an equidigital number, since it uses as much as digits as its factorization.

12126700574121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61816260.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 12126700574121 in words is "twelve trillion, one hundred twenty-six billion, seven hundred million, five hundred seventy-four thousand, one hundred twenty-one".