33001213112 has 32 divisors (see below), whose sum is σ = 70733341920. Its totient is φ = 14140085760.

The previous prime is 33001213099. The next prime is 33001213121. The reversal of 33001213112 is 21131210033.

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, 182348 + ... + 315044.

It is an arithmetic number, because the mean of its divisors is an integer number (2210416935).

Almost surely, 2^33001213112 is an apocalyptic number.

It is an amenable number.

33001213112 is an abundant number, since it is smaller than the sum of its proper divisors (37732128808).

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

33001213112 is a wasteful number, since it uses less digits than its factorization.

33001213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137151 (or 137147 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 33001213112 its reverse (21131210033), we get a palindrome (54132423145).

The spelling of 33001213112 in words is "thirty-three billion, one million, two hundred thirteen thousand, one hundred twelve".