33140232412 has 48 divisors (see below), whose sum is σ = 71503508160. Its totient is φ = 13115261952.

The previous prime is 33140232379. The next prime is 33140232491. The reversal of 33140232412 is 21423204133.

It is a congruent number.

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, 631587 + ... + 682042.

It is an arithmetic number, because the mean of its divisors is an integer number (1489656420).

Almost surely, 2^33140232412 is an apocalyptic number.

It is an amenable number.

33140232412 is an abundant number, since it is smaller than the sum of its proper divisors (38363275748).

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

33140232412 is a wasteful number, since it uses less digits than its factorization.

33140232412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313710 (or 1313708 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33140232412 its reverse (21423204133), we get a palindrome (54563436545).

The spelling of 33140232412 in words is "thirty-three billion, one hundred forty million, two hundred thirty-two thousand, four hundred twelve".