212102300131 has 4 divisors (see below), whose sum is σ = 212120997264. Its totient is φ = 212083603000.

The previous prime is 212102300099. The next prime is 212102300141. The reversal of 212102300131 is 131003201212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212102300131 - 2⁵ = 212102300099 is a prime.

It is a super-2 number, since 2×212102300131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102300141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9331540 + ... + 9354241.

It is an arithmetic number, because the mean of its divisors is an integer number (53030249316).

Almost surely, 2^212102300131 is an apocalyptic number.

212102300131 is a deficient number, since it is larger than the sum of its proper divisors (18697133).

212102300131 is a wasteful number, since it uses less digits than its factorization.

212102300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18697132.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212102300131 its reverse (131003201212), we get a palindrome (343105501343).

The spelling of 212102300131 in words is "two hundred twelve billion, one hundred two million, three hundred thousand, one hundred thirty-one".