122200221210210 has 192 divisors, whose sum is σ = 373490649133056. Its totient is φ = 27329055782400.

The previous prime is 122200221210187. The next prime is 122200221210217. The reversal of 122200221210210 is 12012122002221.

It is a happy number.

122200221210210 is a `hidden beast` number, since 1 + 2 + 2 + 20 + 0 + 221 + 210 + 210 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (122200221210217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18548040 + ... + 24257580.

It is an arithmetic number, because the mean of its divisors is an integer number (1945263797568).

Almost surely, 2^{122200221210210} is an apocalyptic number.

122200221210210 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 122200221210210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186745324566528).

122200221210210 is an abundant number, since it is smaller than the sum of its proper divisors (251290427922846).

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

122200221210210 is a wasteful number, since it uses less digits than its factorization.

122200221210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711241 (or 5711238 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122200221210210 its reverse (12012122002221), we get a palindrome (134212343212431).

The spelling of 122200221210210 in words is "one hundred twenty-two trillion, two hundred billion, two hundred twenty-one million, two hundred ten thousand, two hundred ten".