2120001012112 has 10 divisors (see below), whose sum is σ = 4107501960998. Its totient is φ = 1060000506048.

The previous prime is 2120001012109. The next prime is 2120001012139. The reversal of 2120001012112 is 2112101000212.

It can be written as a sum of positive squares in only one way, i.e., 2117420778496 + 2580233616 = 1455136^2 + 50796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120001012092 and 2120001012101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66250031613 + ... + 66250031644.

Almost surely, 2^{2120001012112} is an apocalyptic number.

It is an amenable number.

2120001012112 is a deficient number, since it is larger than the sum of its proper divisors (1987500948886).

2120001012112 is a wasteful number, since it uses less digits than its factorization.

2120001012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132500063265 (or 132500063259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2120001012112 its reverse (2112101000212), we get a palindrome (4232102012324).

The spelling of 2120001012112 in words is "two trillion, one hundred twenty billion, one million, twelve thousand, one hundred twelve".