13122020132 has 24 divisors (see below), whose sum is σ = 25527704832. Its totient is φ = 5860951200.

The previous prime is 13122020123. The next prime is 13122020143. The reversal of 13122020132 is 23102022131.

It is a super-2 number, since 2×13122020132² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13122020132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068494 + ... + 4071717.

It is an arithmetic number, because the mean of its divisors is an integer number (1063654368).

Almost surely, 2^13122020132 is an apocalyptic number.

It is an amenable number.

13122020132 is a deficient number, since it is larger than the sum of its proper divisors (12405684700).

13122020132 is a wasteful number, since it uses less digits than its factorization.

13122020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140259 (or 8140257 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13122020132 its reverse (23102022131), we get a palindrome (36224042263).

The spelling of 13122020132 in words is "thirteen billion, one hundred twenty-two million, twenty thousand, one hundred thirty-two".