33012122100 has 36 divisors (see below), whose sum is σ = 95515074144. Its totient is φ = 8803232480.

The previous prime is 33012122083. The next prime is 33012122161. The reversal of 33012122100 is 122121033.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 33012122100.

It is a congruent number.

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, 55019904 + ... + 55020503.

It is an arithmetic number, because the mean of its divisors is an integer number (2653196504).

Almost surely, 2^33012122100 is an apocalyptic number.

33012122100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33012122100 is an abundant number, since it is smaller than the sum of its proper divisors (62502952044).

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

33012122100 is a wasteful number, since it uses less digits than its factorization.

33012122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110040424 (or 110040417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 33012122100 its reverse (122121033), we get a palindrome (33134243133).

The spelling of 33012122100 in words is "thirty-three billion, twelve million, one hundred twenty-two thousand, one hundred".