126718238218 has 32 divisors (see below), whose sum is σ = 223334177472. Its totient is φ = 53162179200.

The previous prime is 126718238203. The next prime is 126718238219. The reversal of 126718238218 is 812832817621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126718238219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990830 + ... + 3032902.

It is an arithmetic number, because the mean of its divisors is an integer number (6979193046).

Almost surely, 2^126718238218 is an apocalyptic number.

126718238218 is a deficient number, since it is larger than the sum of its proper divisors (96615939254).

126718238218 is a wasteful number, since it uses less digits than its factorization.

126718238218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52630.

The product of its digits is 516096, while the sum is 49.

The spelling of 126718238218 in words is "one hundred twenty-six billion, seven hundred eighteen million, two hundred thirty-eight thousand, two hundred eighteen".