220121010122012 has 12 divisors (see below), whose sum is σ = 385438763463600. Its totient is φ = 109995649132416.

The previous prime is 220121010121973. The next prime is 220121010122017. The reversal of 220121010122012 is 210221010121022.

220121010122012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121010122017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16213974512 + ... + 16213988087.

It is an arithmetic number, because the mean of its divisors is an integer number (32119896955300).

Almost surely, 2^{220121010122012} is an apocalyptic number.

It is an amenable number.

220121010122012 is a deficient number, since it is larger than the sum of its proper divisors (165317753341588).

220121010122012 is a wasteful number, since it uses less digits than its factorization.

220121010122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32427964300 (or 32427964298 counting only the distinct ones).

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

Adding to 220121010122012 its reverse (210221010121022), we get a palindrome (430342020243034).

The spelling of 220121010122012 in words is "two hundred twenty trillion, one hundred twenty-one billion, ten million, one hundred twenty-two thousand, twelve".