12426216632635 has 32 divisors (see below), whose sum is σ = 16103508184512. Its totient is φ = 9150594624000.

The previous prime is 12426216632519. The next prime is 12426216632657. The reversal of 12426216632635 is 53623661262421.

It is not a de Polignac number, because 12426216632635 - 2¹¹ = 12426216630587 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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35924260 + ... + 36268510.

It is an arithmetic number, because the mean of its divisors is an integer number (503234630766).

Almost surely, 2^{12426216632635} is an apocalyptic number.

12426216632635 is a deficient number, since it is larger than the sum of its proper divisors (3677291551877).

12426216632635 is a wasteful number, since it uses less digits than its factorization.

12426216632635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345823.

The product of its digits is 3732480, while the sum is 49.

The spelling of 12426216632635 in words is "twelve trillion, four hundred twenty-six billion, two hundred sixteen million, six hundred thirty-two thousand, six hundred thirty-five".