13023212021220 has 48 divisors (see below), whose sum is σ = 36465859781568. Its totient is φ = 3472774051200.

The previous prime is 13023212021207. The next prime is 13023212021243. The reversal of 13023212021220 is 2212021232031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9459 + ... + 5103578.

It is an arithmetic number, because the mean of its divisors is an integer number (759705412116).

Almost surely, 2^{13023212021220} is an apocalyptic number.

13023212021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023212021220 is an abundant number, since it is smaller than the sum of its proper divisors (23442647760348).

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

13023212021220 is a wasteful number, since it uses less digits than its factorization.

13023212021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155500 (or 5155498 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13023212021220 its reverse (2212021232031), we get a palindrome (15235233253251).

The spelling of 13023212021220 in words is "thirteen trillion, twenty-three billion, two hundred twelve million, twenty-one thousand, two hundred twenty".