33011212120019 has 64 divisors (see below), whose sum is σ = 40338929664000. Its totient is φ = 26968930934400.

The previous prime is 33011212119973. The next prime is 33011212120021. The reversal of 33011212120019 is 91002121211033.

It is a de Polignac number, because none of the positive numbers 2^k-33011212120019 is a prime.

It is a super-2 number, since 2×33011212120019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33011212120019.

It is not an unprimeable number, because it can be changed into a prime (33011212120069) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 248817569 + ... + 248950205.

It is an arithmetic number, because the mean of its divisors is an integer number (630295776000).

Almost surely, 2^{33011212120019} is an apocalyptic number.

33011212120019 is a deficient number, since it is larger than the sum of its proper divisors (7327717543981).

33011212120019 is a wasteful number, since it uses less digits than its factorization.

33011212120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133009 (or 132995 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 33011212120019 in words is "thirty-three trillion, eleven billion, two hundred twelve million, one hundred twenty thousand, nineteen".