13344120100 has 18 divisors (see below), whose sum is σ = 28956740834. Its totient is φ = 5337648000.

The previous prime is 13344120091. The next prime is 13344120107. The reversal of 13344120100 is 102144331.

It can be written as a sum of positive squares in 3 ways, for example, as 517198564 + 12826921536 = 22742^2 + 113256^2 .

It is not an unprimeable number, because it can be changed into a prime (13344120107) 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, 66720501 + ... + 66720700.

Almost surely, 2^13344120100 is an apocalyptic number.

13344120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13344120100 is an abundant number, since it is smaller than the sum of its proper divisors (15612620734).

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

13344120100 is a wasteful number, since it uses less digits than its factorization.

13344120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133441215 (or 133441208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13344120100 its reverse (102144331), we get a palindrome (13446264431).

The spelling of 13344120100 in words is "thirteen billion, three hundred forty-four million, one hundred twenty thousand, one hundred".