122120212200210 has 192 divisors, whose sum is σ = 395356391504640. Its totient is φ = 26271238809600.

The previous prime is 122120212200097. The next prime is 122120212200241. The reversal of 122120212200210 is 12002212021221.

It is a happy number.

122120212200210 is a `hidden beast` number, since 1 + 2 + 21 + 20 + 212 + 200 + 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 95 ways as a sum of consecutive naturals, for example, 111242491 + ... + 112334910.

It is an arithmetic number, because the mean of its divisors is an integer number (2059147872420).

Almost surely, 2^{122120212200210} is an apocalyptic number.

122120212200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122120212200210 is an abundant number, since it is smaller than the sum of its proper divisors (273236179304430).

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

122120212200210 is a wasteful number, since it uses less digits than its factorization.

122120212200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223577458 (or 223577435 counting only the distinct ones).

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

Adding to 122120212200210 its reverse (12002212021221), we get a palindrome (134122424221431).

The spelling of 122120212200210 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred thousand, two hundred ten".