1200243147201 has 48 divisors (see below), whose sum is σ = 2028883334400. Its totient is φ = 669530759040.

The previous prime is 1200243147197. The next prime is 1200243147209. The reversal of 1200243147201 is 1027413420021.

1200243147201 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 431 + 4 + 7 + 201 = 666.

It is not a de Polignac number, because 1200243147201 - 2² = 1200243147197 is a prime.

It is a super-2 number, since 2×1200243147201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200243147209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238710 + ... + 1567631.

It is an arithmetic number, because the mean of its divisors is an integer number (42268402800).

Almost surely, 2^{1200243147201} is an apocalyptic number.

It is an amenable number.

1200243147201 is a deficient number, since it is larger than the sum of its proper divisors (828640187199).

1200243147201 is a wasteful number, since it uses less digits than its factorization.

1200243147201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806606 (or 1806603 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 1200243147201 its reverse (1027413420021), we get a palindrome (2227656567222).

The spelling of 1200243147201 in words is "one trillion, two hundred billion, two hundred forty-three million, one hundred forty-seven thousand, two hundred one".