13112212302 has 48 divisors (see below), whose sum is σ = 34378242912. Its totient is φ = 3525972480.

The previous prime is 13112212277. The next prime is 13112212313. The reversal of 13112212302 is 20321221131.

It is a super-2 number, since 2×13112212302² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3058599 + ... + 3062882.

It is an arithmetic number, because the mean of its divisors is an integer number (716213394).

Almost surely, 2^13112212302 is an apocalyptic number.

13112212302 is an abundant number, since it is smaller than the sum of its proper divisors (21266030610).

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

13112212302 is a wasteful number, since it uses less digits than its factorization.

13112212302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121513 (or 6121510 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13112212302 its reverse (20321221131), we get a palindrome (33433433433).

The spelling of 13112212302 in words is "thirteen billion, one hundred twelve million, two hundred twelve thousand, three hundred two".