33001200012 has 96 divisors (see below), whose sum is σ = 84548265984. Its totient is φ = 9935654400.

The previous prime is 33001199993. The next prime is 33001200031. The reversal of 33001200012 is 21000210033.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33001199993) and next prime (33001200031).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22282312 + ... + 22283792.

It is an arithmetic number, because the mean of its divisors is an integer number (880711104).

Almost surely, 2^33001200012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33001200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42274132992).

33001200012 is an abundant number, since it is smaller than the sum of its proper divisors (51547065972).

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

33001200012 is a wasteful number, since it uses less digits than its factorization.

33001200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 33001200012 its reverse (21000210033), we get a palindrome (54001410045).

The spelling of 33001200012 in words is "thirty-three billion, one million, two hundred thousand, twelve".