33212203140 has 96 divisors (see below), whose sum is σ = 95055980544. Its totient is φ = 8660556160.

The previous prime is 33212203133. The next prime is 33212203229. The reversal of 33212203140 is 4130221233.

It is a super-2 number, since 2×33212203140² (a number of 22 digits) contains 22 as substring.

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, 3681235 + ... + 3690245.

It is an arithmetic number, because the mean of its divisors is an integer number (990166464).

Almost surely, 2^33212203140 is an apocalyptic number.

33212203140 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 33212203140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47527990272).

33212203140 is an abundant number, since it is smaller than the sum of its proper divisors (61843777404).

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

33212203140 is a wasteful number, since it uses less digits than its factorization.

33212203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33212203140 its reverse (4130221233), we get a palindrome (37342424373).

The spelling of 33212203140 in words is "thirty-three billion, two hundred twelve million, two hundred three thousand, one hundred forty".