13020121132 has 12 divisors (see below), whose sum is σ = 22871849616. Its totient is φ = 6485306960.

The previous prime is 13020121111. The next prime is 13020121181. The reversal of 13020121132 is 23112102031.

It is a super-2 number, since 2×13020121132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6187219 + ... + 6189322.

It is an arithmetic number, because the mean of its divisors is an integer number (1905987468).

Almost surely, 2^13020121132 is an apocalyptic number.

It is an amenable number.

13020121132 is a deficient number, since it is larger than the sum of its proper divisors (9851728484).

13020121132 is a wasteful number, since it uses less digits than its factorization.

13020121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12376808 (or 12376806 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13020121132 its reverse (23112102031), we get a palindrome (36132223163).

The spelling of 13020121132 in words is "thirteen billion, twenty million, one hundred twenty-one thousand, one hundred thirty-two".