13122102100 has 18 divisors (see below), whose sum is σ = 28474961774. Its totient is φ = 5248840800.

The previous prime is 13122102083. The next prime is 13122102101. The reversal of 13122102100 is 120122131.

It can be written as a sum of positive squares in 3 ways, for example, as 1042773264 + 12079328836 = 32292^2 + 109906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122102101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65610411 + ... + 65610610.

Almost surely, 2^13122102100 is an apocalyptic number.

13122102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122102100 is an abundant number, since it is smaller than the sum of its proper divisors (15352859674).

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

13122102100 is a wasteful number, since it uses less digits than its factorization.

13122102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131221035 (or 131221028 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13122102100 its reverse (120122131), we get a palindrome (13242224231).

The spelling of 13122102100 in words is "thirteen billion, one hundred twenty-two million, one hundred two thousand, one hundred".