13020011212 has 48 divisors (see below), whose sum is σ = 26952226560. Its totient is φ = 5445430848.

The previous prime is 13020011203. The next prime is 13020011219. The reversal of 13020011212 is 21211002031.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 13020011192 and 13020011201.

It is not an unprimeable number, because it can be changed into a prime (13020011219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263758 + ... + 309205.

It is an arithmetic number, because the mean of its divisors is an integer number (561504720).

Almost surely, 2^13020011212 is an apocalyptic number.

It is an amenable number.

13020011212 is an abundant number, since it is smaller than the sum of its proper divisors (13932215348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13020011212 is a wasteful number, since it uses less digits than its factorization.

13020011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573022 (or 573020 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13020011212 its reverse (21211002031), we get a palindrome (34231013243).

The spelling of 13020011212 in words is "thirteen billion, twenty million, eleven thousand, two hundred twelve".