33231212130000 has 200 divisors, whose sum is σ = 111938906933568. Its totient is φ = 8476366976000.

The previous prime is 33231212129881. The next prime is 33231212130007. The reversal of 33231212130000 is 3121213233.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×33231212130000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231212130007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23390589 + ... + 24770588.

Almost surely, 2^{33231212130000} is an apocalyptic number.

33231212130000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33231212130000 is an abundant number, since it is smaller than the sum of its proper divisors (78707694803568).

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

33231212130000 is a wasteful number, since it uses less digits than its factorization.

33231212130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48161231 (or 48161210 counting only the distinct ones).

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

Adding to 33231212130000 its reverse (3121213233), we get a palindrome (33234333343233).

The spelling of 33231212130000 in words is "thirty-three trillion, two hundred thirty-one billion, two hundred twelve million, one hundred thirty thousand".