33000213012 has 24 divisors (see below), whose sum is σ = 82923612576. Its totient is φ = 10153911648.

The previous prime is 33000212981. The next prime is 33000213089. The reversal of 33000213012 is 21031200033.

It is a super-2 number, since 2×33000213012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33000212982 and 33000213000.

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, 105769758 + ... + 105770069.

It is an arithmetic number, because the mean of its divisors is an integer number (3455150524).

Almost surely, 2^33000213012 is an apocalyptic number.

It is an amenable number.

33000213012 is an abundant number, since it is smaller than the sum of its proper divisors (49923399564).

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

33000213012 is a wasteful number, since it uses less digits than its factorization.

33000213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211539847 (or 211539845 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 33000213012 its reverse (21031200033), we get a palindrome (54031413045).

It can be divided in two parts, 3300021 and 3012, that added together give a palindrome (3303033).

The spelling of 33000213012 in words is "thirty-three billion, two hundred thirteen thousand, twelve".