131212213000357 has 2 divisors, whose sum is σ = 131212213000358. Its totient is φ = 131212213000356.

The previous prime is 131212213000313. The next prime is 131212213000423. The reversal of 131212213000357 is 753000312212131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109819312439841 + 21392900560516 = 10479471^2 + 4625246^2 .

It is a cyclic number.

It is not a de Polignac number, because 131212213000357 - 2⁷ = 131212213000229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131212213000157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606106500178 + 65606106500179.

It is an arithmetic number, because the mean of its divisors is an integer number (65606106500179).

Almost surely, 2^{131212213000357} is an apocalyptic number.

It is an amenable number.

131212213000357 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212213000357 is an equidigital number, since it uses as much as digits as its factorization.

131212213000357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 131212213000357 its reverse (753000312212131), we get a palindrome (884212525212488).

The spelling of 131212213000357 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, three hundred fifty-seven", and thus it is an aban number.