212202021010 has 24 divisors (see below), whose sum is σ = 444325049100. Its totient is φ = 72754978464.

The previous prime is 212202021007. The next prime is 212202021023. The reversal of 212202021010 is 10120202212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211295589561 + 906431449 = 459669^2 + 30107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216532185 + ... + 216533164.

Almost surely, 2^212202021010 is an apocalyptic number.

212202021010 is an abundant number, since it is smaller than the sum of its proper divisors (232123028090).

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

212202021010 is a wasteful number, since it uses less digits than its factorization.

212202021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433065370 (or 433065363 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212202021010 its reverse (10120202212), we get a palindrome (222322223222).

The spelling of 212202021010 in words is "two hundred twelve billion, two hundred two million, twenty-one thousand, ten".