13220201512044 has 36 divisors (see below), whose sum is σ = 33658146947880. Its totient is φ = 4375030714560.

The previous prime is 13220201512033. The next prime is 13220201512057. The reversal of 13220201512044 is 44021510202231.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 13220201511999 and 13220201512017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1320958377 + ... + 1320968384.

It is an arithmetic number, because the mean of its divisors is an integer number (934948526330).

Almost surely, 2^{13220201512044} is an apocalyptic number.

It is an amenable number.

13220201512044 is an abundant number, since it is smaller than the sum of its proper divisors (20437945435836).

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

13220201512044 is a wasteful number, since it uses less digits than its factorization.

13220201512044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641926910 (or 2641926905 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 13220201512044 its reverse (44021510202231), we get a palindrome (57241711714275).

The spelling of 13220201512044 in words is "thirteen trillion, two hundred twenty billion, two hundred one million, five hundred twelve thousand, forty-four".