13012420100 has 36 divisors (see below), whose sum is σ = 28925666868. Its totient is φ = 5078016000.

The previous prime is 13012420079. The next prime is 13012420111. The reversal of 13012420100 is 102421031.

It can be written as a sum of positive squares in 6 ways, for example, as 5730187204 + 7282232896 = 75698^2 + 85336^2 .

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, 1582781 + ... + 1590980.

Almost surely, 2^13012420100 is an apocalyptic number.

13012420100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012420100 is an abundant number, since it is smaller than the sum of its proper divisors (15913246768).

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

13012420100 is a wasteful number, since it uses less digits than its factorization.

13012420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173816 (or 3173809 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13012420100 its reverse (102421031), we get a palindrome (13114841131).

The spelling of 13012420100 in words is "thirteen billion, twelve million, four hundred twenty thousand, one hundred".