122122210210 has 128 divisors (see below), whose sum is σ = 295719911424. Its totient is φ = 35067375360.

The previous prime is 122122210183. The next prime is 122122210219. The reversal of 122122210210 is 12012221221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122122210219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5223567 + ... + 5246893.

It is an arithmetic number, because the mean of its divisors is an integer number (2310311808).

Almost surely, 2^122122210210 is an apocalyptic number.

122122210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122210210 is an abundant number, since it is smaller than the sum of its proper divisors (173597701214).

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

122122210210 is a wasteful number, since it uses less digits than its factorization.

122122210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23888.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122122210210 its reverse (12012221221), we get a palindrome (134134431431).

The spelling of 122122210210 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred ten thousand, two hundred ten".