220200122001212 has 24 divisors (see below), whose sum is σ = 390336148070400. Its totient is φ = 108684221128560.

The previous prime is 220200122001193. The next prime is 220200122001257. The reversal of 220200122001212 is 212100221002022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089006464 + ... + 1089208647.

It is an arithmetic number, because the mean of its divisors is an integer number (16264006169600).

Almost surely, 2^{220200122001212} is an apocalyptic number.

It is an amenable number.

220200122001212 is a deficient number, since it is larger than the sum of its proper divisors (170136026069188).

220200122001212 is a wasteful number, since it uses less digits than its factorization.

220200122001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178215441 (or 2178215439 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220200122001212 its reverse (212100221002022), we get a palindrome (432300343003234).

The spelling of 220200122001212 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-two million, one thousand, two hundred twelve".