20022210212012 has 12 divisors (see below), whose sum is σ = 35784375698400. Its totient is φ = 9798102869616.

The previous prime is 20022210212003. The next prime is 20022210212029. The reversal of 20022210212012 is 21021201222002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53250558887 + ... + 53250559262.

It is an arithmetic number, because the mean of its divisors is an integer number (2982031308200).

Almost surely, 2^{20022210212012} is an apocalyptic number.

It is an amenable number.

20022210212012 is a deficient number, since it is larger than the sum of its proper divisors (15762165486388).

20022210212012 is a wasteful number, since it uses less digits than its factorization.

20022210212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106501118200 (or 106501118198 counting only the distinct ones).

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

Adding to 20022210212012 its reverse (21021201222002), we get a palindrome (41043411434014).

The spelling of 20022210212012 in words is "twenty trillion, twenty-two billion, two hundred ten million, two hundred twelve thousand, twelve".