33212513345 has 16 divisors (see below), whose sum is σ = 44215122240. Its totient is φ = 23745153600.

The previous prime is 33212513303. The next prime is 33212513351. The reversal of 33212513345 is 54331521233.

It is not a de Polignac number, because 33212513345 - 2³⁰ = 32138771521 is a prime.

It is a super-2 number, since 2×33212513345² (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 15 ways as a sum of consecutive naturals, for example, 5114246 + ... + 5120735.

It is an arithmetic number, because the mean of its divisors is an integer number (2763445140).

Almost surely, 2^33212513345 is an apocalyptic number.

It is an amenable number.

33212513345 is a deficient number, since it is larger than the sum of its proper divisors (11002608895).

33212513345 is a wasteful number, since it uses less digits than its factorization.

33212513345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235056.

The product of its digits is 32400, while the sum is 32.

The spelling of 33212513345 in words is "thirty-three billion, two hundred twelve million, five hundred thirteen thousand, three hundred forty-five".