33331133021212 has 24 divisors (see below), whose sum is σ = 64348472572272. Its totient is φ = 15008390102400.

The previous prime is 33331133021161. The next prime is 33331133021227. The reversal of 33331133021212 is 21212033113333.

It is a happy number.

It is a super-2 number, since 2×33331133021212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 7816867714 + ... + 7816871977.

It is an arithmetic number, because the mean of its divisors is an integer number (2681186357178).

Almost surely, 2^{33331133021212} is an apocalyptic number.

It is an amenable number.

33331133021212 is a deficient number, since it is larger than the sum of its proper divisors (31017339551060).

33331133021212 is a wasteful number, since it uses less digits than its factorization.

33331133021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633739749 (or 15633739747 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 33331133021212 its reverse (21212033113333), we get a palindrome (54543166134545).

The spelling of 33331133021212 in words is "thirty-three trillion, three hundred thirty-one billion, one hundred thirty-three million, twenty-one thousand, two hundred twelve".