33121472208 has 80 divisors (see below), whose sum is σ = 93915227136. Its totient is φ = 9975208320.

The previous prime is 33121472171. The next prime is 33121472213. The reversal of 33121472208 is 80227412133.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 106360 + ... + 278487.

Almost surely, 2^33121472208 is an apocalyptic number.

It is an amenable number.

33121472208 is an abundant number, since it is smaller than the sum of its proper divisors (60793754928).

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

33121472208 is a wasteful number, since it uses less digits than its factorization.

33121472208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385032 (or 385026 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 33121472208 in words is "thirty-three billion, one hundred twenty-one million, four hundred seventy-two thousand, two hundred eight".