212021002332 has 96 divisors (see below), whose sum is σ = 579488931840. Its totient is φ = 66938633280.

The previous prime is 212021002331. The next prime is 212021002351. The reversal of 212021002332 is 233200120212.

212021002332 is a `hidden beast` number, since 2 + 120 + 210 + 0 + 2 + 332 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021002331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516343 + ... + 831054.

It is an arithmetic number, because the mean of its divisors is an integer number (6036343040).

Almost surely, 2^212021002332 is an apocalyptic number.

It is an amenable number.

212021002332 is an abundant number, since it is smaller than the sum of its proper divisors (367467929508).

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

212021002332 is a wasteful number, since it uses less digits than its factorization.

212021002332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347488 (or 1347480 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212021002332 its reverse (233200120212), we get a palindrome (445221122544).

The spelling of 212021002332 in words is "two hundred twelve billion, twenty-one million, two thousand, three hundred thirty-two".