126350816972 has 12 divisors (see below), whose sum is σ = 222335554896. Its totient is φ = 62826372720.

The previous prime is 126350816903. The next prime is 126350817001. The reversal of 126350816972 is 279618053621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 126350816972.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87258128 + ... + 87259575.

It is an arithmetic number, because the mean of its divisors is an integer number (18527962908).

Almost surely, 2^126350816972 is an apocalyptic number.

It is an amenable number.

126350816972 is a deficient number, since it is larger than the sum of its proper divisors (95984737924).

126350816972 is a wasteful number, since it uses less digits than its factorization.

126350816972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174517888 (or 174517886 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 126350816972 in words is "one hundred twenty-six billion, three hundred fifty million, eight hundred sixteen thousand, nine hundred seventy-two".