212202012021 has 8 divisors (see below), whose sum is σ = 286811852160. Its totient is φ = 139530089952.

The previous prime is 212202012019. The next prime is 212202012037. The reversal of 212202012021 is 120210202212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212202012021 - 2¹ = 212202012019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202052021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484479261 + ... + 484479698.

It is an arithmetic number, because the mean of its divisors is an integer number (35851481520).

Almost surely, 2^212202012021 is an apocalyptic number.

It is an amenable number.

212202012021 is a deficient number, since it is larger than the sum of its proper divisors (74609840139).

212202012021 is an equidigital number, since it uses as much as digits as its factorization.

212202012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968959035.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212202012021 its reverse (120210202212), we get a palindrome (332412214233).

The spelling of 212202012021 in words is "two hundred twelve billion, two hundred two million, twelve thousand, twenty-one".