212310311133197 has 2 divisors, whose sum is σ = 212310311133198. Its totient is φ = 212310311133196.

The previous prime is 212310311133157. The next prime is 212310311133233. The reversal of 212310311133197 is 791331113013212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166126475668036 + 46183835465161 = 12889006^2 + 6795869^2 .

It is a cyclic number.

It is not a de Polignac number, because 212310311133197 - 2⁴² = 207912264622093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212310311133197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212310311133127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155155566598 + 106155155566599.

It is an arithmetic number, because the mean of its divisors is an integer number (106155155566599).

Almost surely, 2^{212310311133197} is an apocalyptic number.

It is an amenable number.

212310311133197 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310311133197 is an equidigital number, since it uses as much as digits as its factorization.

212310311133197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 212310311133197 in words is "two hundred twelve trillion, three hundred ten billion, three hundred eleven million, one hundred thirty-three thousand, one hundred ninety-seven".