126211662126 has 48 divisors (see below), whose sum is σ = 303374747520. Its totient is φ = 37597718160.

The previous prime is 126211662103. The next prime is 126211662127. The reversal of 126211662126 is 621266112621.

126211662126 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 1 + 1 + 6 + 621 + 26 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126211662127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5390290 + ... + 5413653.

It is an arithmetic number, because the mean of its divisors is an integer number (6320307240).

Almost surely, 2^126211662126 is an apocalyptic number.

126211662126 is an abundant number, since it is smaller than the sum of its proper divisors (177163085394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126211662126 is a wasteful number, since it uses less digits than its factorization.

126211662126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804021 (or 10804018 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

Adding to 126211662126 its reverse (621266112621), we get a palindrome (747477774747).

The spelling of 126211662126 in words is "one hundred twenty-six billion, two hundred eleven million, six hundred sixty-two thousand, one hundred twenty-six".