1201134112203 has 16 divisors (see below), whose sum is σ = 1642172201600. Its totient is φ = 780672473856.

The previous prime is 1201134112201. The next prime is 1201134112219. The reversal of 1201134112203 is 3022114311021.

It is not a de Polignac number, because 1201134112203 - 2¹ = 1201134112201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201134112203.

It is not an unprimeable number, because it can be changed into a prime (1201134112201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30783553 + ... + 30822546.

It is an arithmetic number, because the mean of its divisors is an integer number (102635762600).

Almost surely, 2^{1201134112203} is an apocalyptic number.

1201134112203 is a deficient number, since it is larger than the sum of its proper divisors (441038089397).

1201134112203 is an equidigital number, since it uses as much as digits as its factorization.

1201134112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61606266.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1201134112203 its reverse (3022114311021), we get a palindrome (4223248423224).

The spelling of 1201134112203 in words is "one trillion, two hundred one billion, one hundred thirty-four million, one hundred twelve thousand, two hundred three".