33213022412 has 12 divisors (see below), whose sum is σ = 58124365656. Its totient is φ = 16606060800.

The previous prime is 33213022393. The next prime is 33213022433. The reversal of 33213022412 is 21422031233.

It is a super-2 number, since 2×33213022412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96428 + ... + 275180.

It is an arithmetic number, because the mean of its divisors is an integer number (4843697138).

Almost surely, 2^33213022412 is an apocalyptic number.

It is an amenable number.

33213022412 is a deficient number, since it is larger than the sum of its proper divisors (24911343244).

33213022412 is a wasteful number, since it uses less digits than its factorization.

33213022412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225208 (or 225206 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33213022412 its reverse (21422031233), we get a palindrome (54635053645).

The spelling of 33213022412 in words is "thirty-three billion, two hundred thirteen million, twenty-two thousand, four hundred twelve".