33990060012 has 12 divisors (see below), whose sum is σ = 79310140056. Its totient is φ = 11330020000.

The previous prime is 33990060007. The next prime is 33990060023. The reversal of 33990060012 is 21006009933.

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

It is a super-2 number, since 2×33990060012² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416252489 + ... + 1416252512.

It is an arithmetic number, because the mean of its divisors is an integer number (6609178338).

Almost surely, 2^33990060012 is an apocalyptic number.

It is an amenable number.

33990060012 is an abundant number, since it is smaller than the sum of its proper divisors (45320080044).

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

33990060012 is a wasteful number, since it uses less digits than its factorization.

33990060012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832505008 (or 2832505006 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

Adding to 33990060012 its reverse (21006009933), we get a palindrome (54996069945).

The spelling of 33990060012 in words is "thirty-three billion, nine hundred ninety million, sixty thousand, twelve".