33212321201212 has 6 divisors (see below), whose sum is σ = 58121562102128. Its totient is φ = 16606160600604.

The previous prime is 33212321201203. The next prime is 33212321201237. The reversal of 33212321201212 is 21210212321233.

It is a super-2 number, since 2×33212321201212² (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 as a sum of consecutive naturals, namely, 4151540150148 + ... + 4151540150155.

Almost surely, 2^{33212321201212} is an apocalyptic number.

It is an amenable number.

33212321201212 is a deficient number, since it is larger than the sum of its proper divisors (24909240900916).

33212321201212 is a wasteful number, since it uses less digits than its factorization.

33212321201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303080300307 (or 8303080300305 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 33212321201212 its reverse (21210212321233), we get a palindrome (54422533522445).

The spelling of 33212321201212 in words is "thirty-three trillion, two hundred twelve billion, three hundred twenty-one million, two hundred one thousand, two hundred twelve".