131212213000157 has 2 divisors, whose sum is σ = 131212213000158. Its totient is φ = 131212213000156.

The previous prime is 131212213000133. The next prime is 131212213000181. The reversal of 131212213000157 is 751000312212131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (131212213000133) and next prime (131212213000181).

It can be written as a sum of positive squares in only one way, i.e., 125654661357241 + 5557551642916 = 11209579^2 + 2357446^2 .

It is a cyclic number.

It is not a de Polignac number, because 131212213000157 - 2²⁶ = 131212145891293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212213000357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606106500078 + 65606106500079.

It is an arithmetic number, because the mean of its divisors is an integer number (65606106500079).

Almost surely, 2^{131212213000157} is an apocalyptic number.

It is an amenable number.

131212213000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212213000157 is an equidigital number, since it uses as much as digits as its factorization.

131212213000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 131212213000157 its reverse (751000312212131), we get a palindrome (882212525212288).

The spelling of 131212213000157 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, one hundred fifty-seven", and thus it is an aban number.