20210222102012 has 96 divisors (see below), whose sum is σ = 39198611128320. Its totient is φ = 9075104962560.

The previous prime is 20210222102011. The next prime is 20210222102039. The reversal of 20210222102012 is 21020122201202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210222102011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123651608 + ... + 123814944.

It is an arithmetic number, because the mean of its divisors is an integer number (408318865920).

Almost surely, 2^{20210222102012} is an apocalyptic number.

It is an amenable number.

20210222102012 is a deficient number, since it is larger than the sum of its proper divisors (18988389026308).

20210222102012 is a wasteful number, since it uses less digits than its factorization.

20210222102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164211 (or 164209 counting only the distinct ones).

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

Adding to 20210222102012 its reverse (21020122201202), we get a palindrome (41230344303214).

The spelling of 20210222102012 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, one hundred two thousand, twelve".