33283881012 has 12 divisors (see below), whose sum is σ = 77662389056. Its totient is φ = 11094627000.

The previous prime is 33283880941. The next prime is 33283881019. The reversal of 33283881012 is 21018838233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33283881012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33283881019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386828364 + ... + 1386828387.

Almost surely, 2^33283881012 is an apocalyptic number.

It is an amenable number.

33283881012 is an abundant number, since it is smaller than the sum of its proper divisors (44378508044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33283881012 is a wasteful number, since it uses less digits than its factorization.

33283881012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773656758 (or 2773656756 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 33283881012 in words is "thirty-three billion, two hundred eighty-three million, eight hundred eighty-one thousand, twelve".