126702212242 has 8 divisors (see below), whose sum is σ = 191440569276. Its totient is φ = 62888689152.

The previous prime is 126702212213. The next prime is 126702212261. The reversal of 126702212242 is 242212207621.

It can be written as a sum of positive squares in 2 ways, for example, as 109004965281 + 17697246961 = 330159^2 + 133031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231208143 + ... + 231208690.

Almost surely, 2^126702212242 is an apocalyptic number.

126702212242 is a deficient number, since it is larger than the sum of its proper divisors (64738357034).

126702212242 is a wasteful number, since it uses less digits than its factorization.

126702212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462416972.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 126702212242 its reverse (242212207621), we get a palindrome (368914419863).

The spelling of 126702212242 in words is "one hundred twenty-six billion, seven hundred two million, two hundred twelve thousand, two hundred forty-two".