2121232332212 has 12 divisors (see below), whose sum is σ = 4242464664480. Its totient is φ = 909099570936.

The previous prime is 2121232332199. The next prime is 2121232332217. The reversal of 2121232332212 is 2122332321212.

2121232332212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121232332217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37879148762 + ... + 37879148817.

It is an arithmetic number, because the mean of its divisors is an integer number (353538722040).

Almost surely, 2^{2121232332212} is an apocalyptic number.

It is an amenable number.

2121232332212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121232332212 is a wasteful number, since it uses less digits than its factorization.

2121232332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75758297590 (or 75758297588 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 2121232332212 its reverse (2122332321212), we get a palindrome (4243564653424).

The spelling of 2121232332212 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-two million, three hundred thirty-two thousand, two hundred twelve".