326121135221426 has 64 divisors (see below), whose sum is σ = 515052279383040. Its totient is φ = 154653868062720.

The previous prime is 326121135221417. The next prime is 326121135221527. The reversal of 326121135221426 is 624122531121623.

It is a super-2 number, since 2×326121135221426² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13006852826 + ... + 13006877898.

It is an arithmetic number, because the mean of its divisors is an integer number (8047691865360).

Almost surely, 2^{326121135221426} is an apocalyptic number.

326121135221426 is a deficient number, since it is larger than the sum of its proper divisors (188931144161614).

326121135221426 is a wasteful number, since it uses less digits than its factorization.

326121135221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29331.

The product of its digits is 207360, while the sum is 41.

The spelling of 326121135221426 in words is "three hundred twenty-six trillion, one hundred twenty-one billion, one hundred thirty-five million, two hundred twenty-one thousand, four hundred twenty-six".