1200144203141 has 6 divisors (see below), whose sum is σ = 1299564433170. Its totient is φ = 1107825418128.

The previous prime is 1200144203129. The next prime is 1200144203189. The reversal of 1200144203141 is 1413024410021.

It can be written as a sum of positive squares in 3 ways, for example, as 746874241 + 1199397328900 = 27329^2 + 1095170^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1200144203141 is a prime.

It is a super-2 number, since 2×1200144203141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200144209141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3550722326 + ... + 3550722663.

It is an arithmetic number, because the mean of its divisors is an integer number (216594072195).

Almost surely, 2^{1200144203141} is an apocalyptic number.

It is an amenable number.

1200144203141 is a deficient number, since it is larger than the sum of its proper divisors (99420230029).

1200144203141 is an equidigital number, since it uses as much as digits as its factorization.

1200144203141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101445015 (or 7101445002 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1200144203141 its reverse (1413024410021), we get a palindrome (2613168613162).

The spelling of 1200144203141 in words is "one trillion, two hundred billion, one hundred forty-four million, two hundred three thousand, one hundred forty-one".