212202101012 has 36 divisors (see below), whose sum is σ = 422257414740. Its totient is φ = 93129442560.

The previous prime is 212202101009. The next prime is 212202101017. The reversal of 212202101012 is 210101202212.

It can be written as a sum of positive squares in 2 ways, for example, as 82073082256 + 130129018756 = 286484^2 + 360734^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202101017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7545173 + ... + 7573244.

Almost surely, 2^212202101012 is an apocalyptic number.

212202101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212202101012 is a deficient number, since it is larger than the sum of its proper divisors (210055313728).

212202101012 is a wasteful number, since it uses less digits than its factorization.

212202101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15118472 (or 15118459 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212202101012 its reverse (210101202212), we get a palindrome (422303303224).

The spelling of 212202101012 in words is "two hundred twelve billion, two hundred two million, one hundred one thousand, twelve".