122231022210 has 384 divisors, whose sum is σ = 384592126464. Its totient is φ = 26568622080.

The previous prime is 122231022149. The next prime is 122231022223. The reversal of 122231022210 is 12220132221.

122231022210 is a `hidden beast` number, since 122 + 2 + 310 + 22 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 130448862 + ... + 130449798.

It is an arithmetic number, because the mean of its divisors is an integer number (1001541996).

Almost surely, 2^122231022210 is an apocalyptic number.

122231022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122231022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192296063232).

122231022210 is an abundant number, since it is smaller than the sum of its proper divisors (262361104254).

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

122231022210 is a wasteful number, since it uses less digits than its factorization.

122231022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122231022210 its reverse (12220132221), we get a palindrome (134451154431).

The spelling of 122231022210 in words is "one hundred twenty-two billion, two hundred thirty-one million, twenty-two thousand, two hundred ten".