13121033202 has 24 divisors (see below), whose sum is σ = 28476231420. Its totient is φ = 4366396800.

The previous prime is 13121033197. The next prime is 13121033221. The reversal of 13121033202 is 20233012131.

13121033202 is a `hidden beast` number, since 131 + 210 + 3 + 320 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11155795641 + 1965237561 = 105621^2 + 44331^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 595627 + ... + 617262.

Almost surely, 2^13121033202 is an apocalyptic number.

13121033202 is an abundant number, since it is smaller than the sum of its proper divisors (15355198218).

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

13121033202 is a wasteful number, since it uses less digits than its factorization.

13121033202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213498 (or 1213495 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13121033202 its reverse (20233012131), we get a palindrome (33354045333).

The spelling of 13121033202 in words is "thirteen billion, one hundred twenty-one million, thirty-three thousand, two hundred two".