122247981422280 has 1152 divisors, whose sum is σ = 482254554038400. Its totient is φ = 27463803494400.

The previous prime is 122247981422213. The next prime is 122247981422299. The reversal of 122247981422280 is 82224189742221.

122247981422280 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 479 + 8 + 142 + 2 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 88521347190 + ... + 88521348570.

It is an arithmetic number, because the mean of its divisors is an integer number (418623744825).

Almost surely, 2^{122247981422280} is an apocalyptic number.

122247981422280 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 122247981422280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241127277019200).

122247981422280 is an abundant number, since it is smaller than the sum of its proper divisors (360006572616120).

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

122247981422280 is a wasteful number, since it uses less digits than its factorization.

122247981422280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 122247981422280 in words is "one hundred twenty-two trillion, two hundred forty-seven billion, nine hundred eighty-one million, four hundred twenty-two thousand, two hundred eighty".