20212102200112 has 10 divisors (see below), whose sum is σ = 39160948012748. Its totient is φ = 10106051100048.

The previous prime is 20212102200089. The next prime is 20212102200113. The reversal of 20212102200112 is 21100220121202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1263256387507 = 20212102200112 / (2 + 0 + 2 + 1 + 2 + 1 + 0 + 2 + 2 + 0 + 0 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (20212102200113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631628193738 + ... + 631628193769.

Almost surely, 2^{20212102200112} is an apocalyptic number.

It is an amenable number.

20212102200112 is a deficient number, since it is larger than the sum of its proper divisors (18948845812636).

20212102200112 is a wasteful number, since it uses less digits than its factorization.

20212102200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263256387515 (or 1263256387509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212102200112 its reverse (21100220121202), we get a palindrome (41312322321314).

The spelling of 20212102200112 in words is "twenty trillion, two hundred twelve billion, one hundred two million, two hundred thousand, one hundred twelve".