33213101012 has 72 divisors (see below), whose sum is σ = 76645729440. Its totient is φ = 12447691200.

The previous prime is 33213100967. The next prime is 33213101021. The reversal of 33213101012 is 21010131233.

It is a super-2 number, since 2×33213101012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294614 + ... + 391437.

It is an arithmetic number, because the mean of its divisors is an integer number (1064524020).

Almost surely, 2^33213101012 is an apocalyptic number.

It is an amenable number.

33213101012 is an abundant number, since it is smaller than the sum of its proper divisors (43432628428).

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

33213101012 is a wasteful number, since it uses less digits than its factorization.

33213101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686101 (or 686092 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 33213101012 its reverse (21010131233), we get a palindrome (54223232245).

The spelling of 33213101012 in words is "thirty-three billion, two hundred thirteen million, one hundred one thousand, twelve".