210212100120212 has 12 divisors (see below), whose sum is σ = 374812140780756. Its totient is φ = 103122917040000.

The previous prime is 210212100120203. The next prime is 210212100120221. The reversal of 210212100120212 is 212021001212012.

It is an interprime number because it is at equal distance from previous prime (210212100120203) and next prime (210212100120221).

It can be written as a sum of positive squares in 2 ways, for example, as 98480139248656 + 111731960871556 = 9923716^2 + 10570334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495783254789 + ... + 495783255212.

It is an arithmetic number, because the mean of its divisors is an integer number (31234345065063).

Almost surely, 2^{210212100120212} is an apocalyptic number.

It is an amenable number.

210212100120212 is a deficient number, since it is larger than the sum of its proper divisors (164600040660544).

210212100120212 is a wasteful number, since it uses less digits than its factorization.

210212100120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991566510058 (or 991566510056 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210212100120212 its reverse (212021001212012), we get a palindrome (422233101332224).

The spelling of 210212100120212 in words is "two hundred ten trillion, two hundred twelve billion, one hundred million, one hundred twenty thousand, two hundred twelve".