33212313120 has 384 divisors, whose sum is σ = 128546611200. Its totient is φ = 7038185472.

The previous prime is 33212313119. The next prime is 33212313149. The reversal of 33212313120 is 2131321233.

It is a super-2 number, since 2×33212313120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2994946 + ... + 3006014.

It is an arithmetic number, because the mean of its divisors is an integer number (334756800).

Almost surely, 2^33212313120 is an apocalyptic number.

33212313120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33212313120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64273305600).

33212313120 is an abundant number, since it is smaller than the sum of its proper divisors (95334298080).

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

33212313120 is a wasteful number, since it uses less digits than its factorization.

33212313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160 (or 11152 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33212313120 its reverse (2131321233), we get a palindrome (35343634353).

The spelling of 33212313120 in words is "thirty-three billion, two hundred twelve million, three hundred thirteen thousand, one hundred twenty".