210131213201213 has 16 divisors (see below), whose sum is σ = 220275525783600. Its totient is φ = 200259690309120.

The previous prime is 210131213201201. The next prime is 210131213201219. The reversal of 210131213201213 is 312102312131012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 241731522244 + 209889481678969 = 491662^2 + 14487563^2 .

It is a cyclic number.

It is not a de Polignac number, because 210131213201213 - 2²² = 210131209006909 is a prime.

It is a super-2 number, since 2×210131213201213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131213201219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210639878 + ... + 211635111.

It is an arithmetic number, because the mean of its divisors is an integer number (13767220361475).

Almost surely, 2^{210131213201213} is an apocalyptic number.

It is an amenable number.

210131213201213 is a deficient number, since it is larger than the sum of its proper divisors (10144312582387).

210131213201213 is a wasteful number, since it uses less digits than its factorization.

210131213201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422275312.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 210131213201213 its reverse (312102312131012), we get a palindrome (522233525332225).

The spelling of 210131213201213 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred thirteen million, two hundred one thousand, two hundred thirteen".