16312102125013 has 2 divisors, whose sum is σ = 16312102125014. Its totient is φ = 16312102125012.

The previous prime is 16312102124999. The next prime is 16312102125043. The reversal of 16312102125013 is 31052120121361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13865249090449 + 2446853034564 = 3723607^2 + 1564242^2 .

It is a cyclic number.

It is not a de Polignac number, because 16312102125013 - 2⁹ = 16312102124501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16312102125043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156051062506 + 8156051062507.

It is an arithmetic number, because the mean of its divisors is an integer number (8156051062507).

Almost surely, 2^{16312102125013} is an apocalyptic number.

It is an amenable number.

16312102125013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312102125013 is an equidigital number, since it uses as much as digits as its factorization.

16312102125013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 16312102125013 its reverse (31052120121361), we get a palindrome (47364222246374).

The spelling of 16312102125013 in words is "sixteen trillion, three hundred twelve billion, one hundred two million, one hundred twenty-five thousand, thirteen".