1200344002045 has 16 divisors (see below), whose sum is σ = 1488201257088. Its totient is φ = 928727052480.

The previous prime is 1200344002037. The next prime is 1200344002073. The reversal of 1200344002045 is 5402004430021.

It is a happy number.

It is not a de Polignac number, because 1200344002045 - 2³ = 1200344002037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19395291 + ... + 19457080.

It is an arithmetic number, because the mean of its divisors is an integer number (93012578568).

Almost surely, 2^{1200344002045} is an apocalyptic number.

It is an amenable number.

1200344002045 is a deficient number, since it is larger than the sum of its proper divisors (287857255043).

1200344002045 is a wasteful number, since it uses less digits than its factorization.

1200344002045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38852580.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 1200344002045 its reverse (5402004430021), we get a palindrome (6602348432066).

The spelling of 1200344002045 in words is "one trillion, two hundred billion, three hundred forty-four million, two thousand, forty-five".