1200031111201 has 8 divisors (see below), whose sum is σ = 1292367871424. Its totient is φ = 1107698161680.

The previous prime is 1200031111199. The next prime is 1200031111289. The reversal of 1200031111201 is 1021111300021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200031111201 - 2¹ = 1200031111199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200031111501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281085 + ... + 1574506.

It is an arithmetic number, because the mean of its divisors is an integer number (161545983928).

Almost surely, 2^{1200031111201} is an apocalyptic number.

It is an amenable number.

1200031111201 is a deficient number, since it is larger than the sum of its proper divisors (92336760223).

1200031111201 is a wasteful number, since it uses less digits than its factorization.

1200031111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905351.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1200031111201 its reverse (1021111300021), we get a palindrome (2221142411222).

The spelling of 1200031111201 in words is "one trillion, two hundred billion, thirty-one million, one hundred eleven thousand, two hundred one".