13122120100100 has 72 divisors (see below), whose sum is σ = 31649743536768. Its totient is φ = 4681648316800.

The previous prime is 13122120100049. The next prime is 13122120100121. The reversal of 13122120100100 is 100102122131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112481324 + ... + 112597923.

It is an arithmetic number, because the mean of its divisors is an integer number (439579771344).

Almost surely, 2^{13122120100100} is an apocalyptic number.

13122120100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122120100100 is an abundant number, since it is smaller than the sum of its proper divisors (18527623436668).

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

13122120100100 is a wasteful number, since it uses less digits than its factorization.

13122120100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225079325 (or 225079318 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13122120100100 its reverse (100102122131), we get a palindrome (13222222222231).

The spelling of 13122120100100 in words is "thirteen trillion, one hundred twenty-two billion, one hundred twenty million, one hundred thousand, one hundred".