1200112110001 has 32 divisors (see below), whose sum is σ = 1442796945408. Its totient is φ = 976510192320.

The previous prime is 1200112109981. The next prime is 1200112110013. The reversal of 1200112110001 is 1000112110021.

It is a cyclic number.

It is not a de Polignac number, because 1200112110001 - 2¹⁹ = 1200111585713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200112110001.

It is not an unprimeable number, because it can be changed into a prime (1200112110091) 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, 108828450 + ... + 108839476.

It is an arithmetic number, because the mean of its divisors is an integer number (45087404544).

Almost surely, 2^{1200112110001} is an apocalyptic number.

It is an amenable number.

1200112110001 is a deficient number, since it is larger than the sum of its proper divisors (242684835407).

1200112110001 is a wasteful number, since it uses less digits than its factorization.

1200112110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20581.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200112110001 its reverse (1000112110021), we get a palindrome (2200224220022).

The spelling of 1200112110001 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred ten thousand, one".