122166452120 has 128 divisors (see below), whose sum is σ = 287848814400. Its totient is φ = 46658949120.

The previous prime is 122166452003. The next prime is 122166452129. The reversal of 122166452120 is 21254661221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166452129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94628675 + ... + 94629965.

Almost surely, 2^122166452120 is an apocalyptic number.

122166452120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122166452120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143924407200).

122166452120 is an abundant number, since it is smaller than the sum of its proper divisors (165682362280).

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

122166452120 is an equidigital number, since it uses as much as digits as its factorization.

122166452120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 122166452120 in words is "one hundred twenty-two billion, one hundred sixty-six million, four hundred fifty-two thousand, one hundred twenty".