126312213619 has 2 divisors, whose sum is σ = 126312213620. Its totient is φ = 126312213618.

The previous prime is 126312213581. The next prime is 126312213641. The reversal of 126312213619 is 916312213621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126312213619 - 2⁹ = 126312213107 is a prime.

It is a super-2 number, since 2×126312213619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126312213679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63156106809 + 63156106810.

It is an arithmetic number, because the mean of its divisors is an integer number (63156106810).

Almost surely, 2^126312213619 is an apocalyptic number.

126312213619 is a deficient number, since it is larger than the sum of its proper divisors (1).

126312213619 is an equidigital number, since it uses as much as digits as its factorization.

126312213619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The spelling of 126312213619 in words is "one hundred twenty-six billion, three hundred twelve million, two hundred thirteen thousand, six hundred nineteen".