212202003021 has 32 divisors (see below), whose sum is σ = 302533315200. Its totient is φ = 132073294080.

The previous prime is 212202003007. The next prime is 212202003049. The reversal of 212202003021 is 120300202212.

It is a happy number.

It is not a de Polignac number, because 212202003021 - 2⁷ = 212202002893 is a prime.

It is a super-2 number, since 2×212202003021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202003071) 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, 25746 + ... + 651971.

It is an arithmetic number, because the mean of its divisors is an integer number (9454166100).

Almost surely, 2^212202003021 is an apocalyptic number.

It is an amenable number.

212202003021 is a deficient number, since it is larger than the sum of its proper divisors (90331312179).

212202003021 is a wasteful number, since it uses less digits than its factorization.

212202003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677869.

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

Adding to 212202003021 its reverse (120300202212), we get a palindrome (332502205233).

The spelling of 212202003021 in words is "two hundred twelve billion, two hundred two million, three thousand, twenty-one".