2121012020232 has 96 divisors (see below), whose sum is σ = 6592278401280. Its totient is φ = 603488862720.

The previous prime is 2121012020221. The next prime is 2121012020279. The reversal of 2121012020232 is 2320202101212.

2121012020232 is a `hidden beast` number, since 21 + 210 + 1 + 202 + 0 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8609568 + ... + 8852495.

It is an arithmetic number, because the mean of its divisors is an integer number (68669566680).

Almost surely, 2^{2121012020232} is an apocalyptic number.

It is an amenable number.

2121012020232 is an abundant number, since it is smaller than the sum of its proper divisors (4471266381048).

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

2121012020232 is a wasteful number, since it uses less digits than its factorization.

2121012020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462323 (or 17462316 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2121012020232 its reverse (2320202101212), we get a palindrome (4441214121444).

The spelling of 2121012020232 in words is "two trillion, one hundred twenty-one billion, twelve million, twenty thousand, two hundred thirty-two".