220200210121212 has 72 divisors (see below), whose sum is σ = 556751424902400. Its totient is φ = 73382371835040.

The previous prime is 220200210121183. The next prime is 220200210121219. The reversal of 220200210121212 is 212121012002022.

It is a happy number.

220200210121212 is a `hidden beast` number, since 2 + 20 + 200 + 210 + 1 + 21 + 212 = 666.

220200210121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200210121219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3383966637 + ... + 3384031707.

It is an arithmetic number, because the mean of its divisors is an integer number (7732658679200).

Almost surely, 2^{220200210121212} is an apocalyptic number.

It is an amenable number.

220200210121212 is an abundant number, since it is smaller than the sum of its proper divisors (336551214781188).

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

220200210121212 is a wasteful number, since it uses less digits than its factorization.

220200210121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86303 (or 86298 counting only the distinct ones).

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

Adding to 220200210121212 its reverse (212121012002022), we get a palindrome (432321222123234).

The spelling of 220200210121212 in words is "two hundred twenty trillion, two hundred billion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".