13333121988 has 48 divisors (see below), whose sum is σ = 32487920640. Its totient is φ = 4247910304.

The previous prime is 13333121969. The next prime is 13333122029. The reversal of 13333121988 is 88912133331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359623 + ... + 394961.

It is an arithmetic number, because the mean of its divisors is an integer number (676831680).

Almost surely, 2^13333121988 is an apocalyptic number.

It is an amenable number.

13333121988 is an abundant number, since it is smaller than the sum of its proper divisors (19154798652).

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

13333121988 is a wasteful number, since it uses less digits than its factorization.

13333121988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36736 (or 36734 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 13333121988 in words is "thirteen billion, three hundred thirty-three million, one hundred twenty-one thousand, nine hundred eighty-eight".