220212020121210 has 256 divisors, whose sum is σ = 633882922283520. Its totient is φ = 54079296122880.

The previous prime is 220212020121199. The next prime is 220212020121229. The reversal of 220212020121210 is 12121020212022.

It is a happy number.

220212020121210 is a `hidden beast` number, since 2 + 20 + 212 + 0 + 201 + 21 + 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 127 ways as a sum of consecutive naturals, for example, 11200438780 + ... + 11200458440.

It is an arithmetic number, because the mean of its divisors is an integer number (2476105165170).

Almost surely, 2^{220212020121210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220212020121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316941461141760).

220212020121210 is an abundant number, since it is smaller than the sum of its proper divisors (413670902162310).

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

220212020121210 is a wasteful number, since it uses less digits than its factorization.

220212020121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26990 (or 26984 counting only the distinct ones).

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

Adding to 220212020121210 its reverse (12121020212022), we get a palindrome (232333040333232).

The spelling of 220212020121210 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, one hundred twenty-one thousand, two hundred ten".