33012212152 has 32 divisors (see below), whose sum is σ = 63370327680. Its totient is φ = 16113857760.

The previous prime is 33012212111. The next prime is 33012212159. The reversal of 33012212152 is 25121221033.

It is a super-2 number, since 2×33012212152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012212159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665077 + ... + 712987.

It is an arithmetic number, because the mean of its divisors is an integer number (1980322740).

Almost surely, 2^33012212152 is an apocalyptic number.

It is an amenable number.

33012212152 is a deficient number, since it is larger than the sum of its proper divisors (30358115528).

33012212152 is a wasteful number, since it uses less digits than its factorization.

33012212152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49963 (or 49959 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 33012212152 its reverse (25121221033), we get a palindrome (58133433185).

The spelling of 33012212152 in words is "thirty-three billion, twelve million, two hundred twelve thousand, one hundred fifty-two".