12662110036021 has 16 divisors (see below), whose sum is σ = 12927889490688. Its totient is φ = 12398220964800.

The previous prime is 12662110035997. The next prime is 12662110036063. The reversal of 12662110036021 is 12063001126621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12662110036021 - 2¹⁵ = 12662110003253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662110036321) 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, 129988491 + ... + 130085863.

It is an arithmetic number, because the mean of its divisors is an integer number (807993093168).

Almost surely, 2^{12662110036021} is an apocalyptic number.

It is an amenable number.

12662110036021 is a deficient number, since it is larger than the sum of its proper divisors (265779454667).

12662110036021 is an equidigital number, since it uses as much as digits as its factorization.

12662110036021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107052.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12662110036021 in words is "twelve trillion, six hundred sixty-two billion, one hundred ten million, thirty-six thousand, twenty-one".