13220312023002 has 32 divisors (see below), whose sum is σ = 30920596895232. Its totient is φ = 3689389401264.

The previous prime is 13220312022971. The next prime is 13220312023007. The reversal of 13220312023002 is 20032021302231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13220312023002.

It is not an unprimeable number, because it can be changed into a prime (13220312023007) 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, 3660106728 + ... + 3660110339.

It is an arithmetic number, because the mean of its divisors is an integer number (966268652976).

Almost surely, 2^{13220312023002} is an apocalyptic number.

13220312023002 is an abundant number, since it is smaller than the sum of its proper divisors (17700284872230).

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

13220312023002 is a wasteful number, since it uses less digits than its factorization.

13220312023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320217122.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13220312023002 its reverse (20032021302231), we get a palindrome (33252333325233).

The spelling of 13220312023002 in words is "thirteen trillion, two hundred twenty billion, three hundred twelve million, twenty-three thousand, two".