13612021132 has 24 divisors (see below), whose sum is σ = 24071918976. Its totient is φ = 6734531328.

The previous prime is 13612021123. The next prime is 13612021141. The reversal of 13612021132 is 23112021631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13612021123) and next prime (13612021141).

It is a super-2 number, since 2×13612021132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249558 + ... + 299170.

It is an arithmetic number, because the mean of its divisors is an integer number (1002996624).

Almost surely, 2^13612021132 is an apocalyptic number.

It is an amenable number.

13612021132 is a deficient number, since it is larger than the sum of its proper divisors (10459897844).

13612021132 is a wasteful number, since it uses less digits than its factorization.

13612021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50337 (or 50335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13612021132 its reverse (23112021631), we get a palindrome (36724042763).

The spelling of 13612021132 in words is "thirteen billion, six hundred twelve million, twenty-one thousand, one hundred thirty-two".