33212002312 has 32 divisors (see below), whose sum is σ = 62694074520. Its totient is φ = 16493667840.

The previous prime is 33212002301. The next prime is 33212002331. The reversal of 33212002312 is 21320021233.

It can be written as a sum of positive squares in 4 ways, for example, as 20907424836 + 12304577476 = 144594^2 + 110926^2 .

It is a super-2 number, since 2×33212002312² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33212002312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5218012 + ... + 5224372.

Almost surely, 2^33212002312 is an apocalyptic number.

It is an amenable number.

33212002312 is a deficient number, since it is larger than the sum of its proper divisors (29482072208).

33212002312 is a wasteful number, since it uses less digits than its factorization.

33212002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681 (or 10677 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33212002312 its reverse (21320021233), we get a palindrome (54532023545).

The spelling of 33212002312 in words is "thirty-three billion, two hundred twelve million, two thousand, three hundred twelve".