13123020220100 has 36 divisors (see below), whose sum is σ = 32545090147584. Its totient is φ = 4499321218080.

The previous prime is 13123020220087. The next prime is 13123020220217. The reversal of 13123020220100 is 102202032131.

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, 9373585172 + ... + 9373586571.

Almost surely, 2^{13123020220100} is an apocalyptic number.

13123020220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123020220100 is an abundant number, since it is smaller than the sum of its proper divisors (19422069927484).

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

13123020220100 is a wasteful number, since it uses less digits than its factorization.

13123020220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18747171764 (or 18747171757 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13123020220100 its reverse (102202032131), we get a palindrome (13225222252231).

The spelling of 13123020220100 in words is "thirteen trillion, one hundred twenty-three billion, twenty million, two hundred twenty thousand, one hundred".