20221210220012 has 12 divisors (see below), whose sum is σ = 36925688228016. Its totient is φ = 9671013583440.

The previous prime is 20221210219997. The next prime is 20221210220027. The reversal of 20221210220012 is 21002201212202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20221210219997) and next prime (20221210220027).

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, 109897881539 + ... + 109897881722.

It is an arithmetic number, because the mean of its divisors is an integer number (3077140685668).

Almost surely, 2^{20221210220012} is an apocalyptic number.

It is an amenable number.

20221210220012 is a deficient number, since it is larger than the sum of its proper divisors (16704478008004).

20221210220012 is a wasteful number, since it uses less digits than its factorization.

20221210220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219795763288 (or 219795763286 counting only the distinct ones).

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

Adding to 20221210220012 its reverse (21002201212202), we get a palindrome (41223411432214).

The spelling of 20221210220012 in words is "twenty trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty thousand, twelve".