13022020312 has 32 divisors (see below), whose sum is σ = 28044576000. Its totient is φ = 5552816544.

The previous prime is 13022020303. The next prime is 13022020321. The reversal of 13022020312 is 21302022031.

It is an interprime number because it is at equal distance from previous prime (13022020303) and next prime (13022020321).

It is a super-2 number, since 2×13022020312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 573118 + ... + 595405.

It is an arithmetic number, because the mean of its divisors is an integer number (876393000).

Almost surely, 2^13022020312 is an apocalyptic number.

It is an amenable number.

13022020312 is an abundant number, since it is smaller than the sum of its proper divisors (15022555688).

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

13022020312 is a wasteful number, since it uses less digits than its factorization.

13022020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168735 (or 1168731 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13022020312 its reverse (21302022031), we get a palindrome (34324042343).

The spelling of 13022020312 in words is "thirteen billion, twenty-two million, twenty thousand, three hundred twelve".