126960379213 has 2 divisors, whose sum is σ = 126960379214. Its totient is φ = 126960379212.

The previous prime is 126960379181. The next prime is 126960379253. The reversal of 126960379213 is 312973069621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67559965929 + 59400413284 = 259923^2 + 243722^2 .

It is a cyclic number.

It is not a de Polignac number, because 126960379213 - 2⁵ = 126960379181 is a prime.

It is a super-2 number, since 2×126960379213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126960379253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63480189606 + 63480189607.

It is an arithmetic number, because the mean of its divisors is an integer number (63480189607).

Almost surely, 2^126960379213 is an apocalyptic number.

It is an amenable number.

126960379213 is a deficient number, since it is larger than the sum of its proper divisors (1).

126960379213 is an equidigital number, since it uses as much as digits as its factorization.

126960379213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 126960379213 in words is "one hundred twenty-six billion, nine hundred sixty million, three hundred seventy-nine thousand, two hundred thirteen".