621214412126 has 24 divisors (see below), whose sum is σ = 1170552779760. Its totient is φ = 242031588480.

The previous prime is 621214412123. The next prime is 621214412167.

621214412126 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 621214412092 and 621214412101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621214412123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183355571 + ... + 183358958.

It is an arithmetic number, because the mean of its divisors is an integer number (48773032490).

Almost surely, 2^621214412126 is an apocalyptic number.

621214412126 is a deficient number, since it is larger than the sum of its proper divisors (549338367634).

621214412126 is a wasteful number, since it uses less digits than its factorization.

621214412126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366714560 (or 366714549 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The spelling of 621214412126 in words is "six hundred twenty-one billion, two hundred fourteen million, four hundred twelve thousand, one hundred twenty-six".