126336222633621 has 144 divisors (see below), whose sum is σ = 232337253349824. Its totient is φ = 60479939520000.

The previous prime is 126336222633589. The next prime is 126336222633623.

126336222633621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126336222633621 - 2⁵ = 126336222633589 is a prime.

It is a super-2 number, since 2×126336222633621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126336222633623) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 138515286 + ... + 139424376.

Almost surely, 2^{126336222633621} is an apocalyptic number.

126336222633621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126336222633621 is a deficient number, since it is larger than the sum of its proper divisors (106001030716203).

126336222633621 is a wasteful number, since it uses less digits than its factorization.

126336222633621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909744 (or 909726 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 48.

The spelling of 126336222633621 in words is "one hundred twenty-six trillion, three hundred thirty-six billion, two hundred twenty-two million, six hundred thirty-three thousand, six hundred twenty-one".