33213001332 has 48 divisors (see below), whose sum is σ = 91622079360. Its totient is φ = 9162206592.

The previous prime is 33213001307. The next prime is 33213001343. The reversal of 33213001332 is 23310031233.

It is a super-2 number, since 2×33213001332² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 33213001299 and 33213001308.

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, 6814683 + ... + 6819554.

It is an arithmetic number, because the mean of its divisors is an integer number (1908793320).

Almost surely, 2^33213001332 is an apocalyptic number.

It is an amenable number.

33213001332 is an abundant number, since it is smaller than the sum of its proper divisors (58409078028).

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

33213001332 is a wasteful number, since it uses less digits than its factorization.

33213001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634280 (or 13634278 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33213001332 its reverse (23310031233), we get a palindrome (56523032565).

The spelling of 33213001332 in words is "thirty-three billion, two hundred thirteen million, one thousand, three hundred thirty-two".