220200121211212 has 24 divisors (see below), whose sum is σ = 409353194927600. Its totient is φ = 103348391023296.

The previous prime is 220200121211201. The next prime is 220200121211233. The reversal of 220200121211212 is 212112121002022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 220200121211212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13290679863 + ... + 13290696430.

Almost surely, 2^{220200121211212} is an apocalyptic number.

It is an amenable number.

220200121211212 is a deficient number, since it is larger than the sum of its proper divisors (189153073716388).

220200121211212 is a wasteful number, since it uses less digits than its factorization.

220200121211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26581376425 (or 26581376423 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220200121211212 its reverse (212112121002022), we get a palindrome (432312242213234).

The spelling of 220200121211212 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twelve".