122210871552 has 360 divisors, whose sum is σ = 454336166592. Its totient is φ = 31742668800.

The previous prime is 122210871493. The next prime is 122210871569. The reversal of 122210871552 is 255178012221.

122210871552 is a `hidden beast` number, since 1 + 2 + 2 + 21 + 0 + 87 + 1 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1558402 + ... + 1634942.

Almost surely, 2^122210871552 is an apocalyptic number.

122210871552 is a gapful number since it is divisible by the number (12) 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 122210871552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227168083296).

122210871552 is an abundant number, since it is smaller than the sum of its proper divisors (332125295040).

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

122210871552 is an equidigital number, since it uses as much as digits as its factorization.

122210871552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76587 (or 76564 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

Adding to 122210871552 its reverse (255178012221), we get a palindrome (377388883773).

The spelling of 122210871552 in words is "one hundred twenty-two billion, two hundred ten million, eight hundred seventy-one thousand, five hundred fifty-two".