1200344012125 has 16 divisors (see below), whose sum is σ = 1508963869296. Its totient is φ = 953265888000.

The previous prime is 1200344012113. The next prime is 1200344012167. The reversal of 1200344012125 is 5212104430021.

It can be written as a sum of positive squares in 8 ways, for example, as 166246199289 + 1034097812836 = 407733^2 + 1016906^2 .

It is not a de Polignac number, because 1200344012125 - 2¹⁵ = 1200343979357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 1200344012125.

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, 35029416 + ... + 35063665.

It is an arithmetic number, because the mean of its divisors is an integer number (94310241831).

Almost surely, 2^{1200344012125} is an apocalyptic number.

It is an amenable number.

1200344012125 is a deficient number, since it is larger than the sum of its proper divisors (308619857171).

1200344012125 is an equidigital number, since it uses as much as digits as its factorization.

1200344012125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70093233 (or 70093223 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1200344012125 its reverse (5212104430021), we get a palindrome (6412448442146).

The spelling of 1200344012125 in words is "one trillion, two hundred billion, three hundred forty-four million, twelve thousand, one hundred twenty-five".