126812491119 has 12 divisors (see below), whose sum is σ = 184987199592. Its totient is φ = 83704614000.

The previous prime is 126812490979. The next prime is 126812491147. The reversal of 126812491119 is 911194218621.

It is a happy number.

It is not a de Polignac number, because 126812491119 - 2²⁸ = 126544055663 is a prime.

It is a super-2 number, since 2×126812491119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126812491159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69752937 + ... + 69754754.

It is an arithmetic number, because the mean of its divisors is an integer number (15415599966).

Almost surely, 2^126812491119 is an apocalyptic number.

126812491119 is a deficient number, since it is larger than the sum of its proper divisors (58174708473).

126812491119 is a wasteful number, since it uses less digits than its factorization.

126812491119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139507798 (or 139507795 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The spelling of 126812491119 in words is "one hundred twenty-six billion, eight hundred twelve million, four hundred ninety-one thousand, one hundred nineteen".