220010011221212 has 24 divisors (see below), whose sum is σ = 385290168110400. Its totient is φ = 109927107634176.

The previous prime is 220010011221211. The next prime is 220010011221289. The reversal of 220010011221212 is 212122110010022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010011221211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981028589 + ... + 981252827.

It is an arithmetic number, because the mean of its divisors is an integer number (16053757004600).

Almost surely, 2^{220010011221212} is an apocalyptic number.

It is an amenable number.

220010011221212 is a deficient number, since it is larger than the sum of its proper divisors (165280156889188).

220010011221212 is a wasteful number, since it uses less digits than its factorization.

220010011221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396845 (or 396843 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220010011221212 its reverse (212122110010022), we get a palindrome (432132121231234).

The spelling of 220010011221212 in words is "two hundred twenty trillion, ten billion, eleven million, two hundred twenty-one thousand, two hundred twelve".