212002302021 has 16 divisors (see below), whose sum is σ = 286999358400. Its totient is φ = 139171684608.

The previous prime is 212002302007. The next prime is 212002302053. The reversal of 212002302021 is 120203200212.

It is a happy number.

It is not a de Polignac number, because 212002302021 - 2⁷ = 212002301893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002302221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322275 + ... + 726543.

It is an arithmetic number, because the mean of its divisors is an integer number (17937459900).

Almost surely, 2^212002302021 is an apocalyptic number.

It is an amenable number.

212002302021 is a deficient number, since it is larger than the sum of its proper divisors (74997056379).

212002302021 is a wasteful number, since it uses less digits than its factorization.

212002302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406948.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212002302021 its reverse (120203200212), we get a palindrome (332205502233).

The spelling of 212002302021 in words is "two hundred twelve billion, two million, three hundred two thousand, twenty-one".