469991220100122 has 256 divisors, whose sum is σ = 1103468726624256. Its totient is φ = 130688401536000.

The previous prime is 469991220100117. The next prime is 469991220100169. The reversal of 469991220100122 is 221001022199964.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 92572623048 + ... + 92572628124.

It is an arithmetic number, because the mean of its divisors is an integer number (4310424713376).

Almost surely, 2^{469991220100122} is an apocalyptic number.

469991220100122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 469991220100122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551734363312128).

469991220100122 is an abundant number, since it is smaller than the sum of its proper divisors (633477506524134).

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

469991220100122 is a wasteful number, since it uses less digits than its factorization.

469991220100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 469991220100122 in words is "four hundred sixty-nine trillion, nine hundred ninety-one billion, two hundred twenty million, one hundred thousand, one hundred twenty-two".