1200122211201 has 8 divisors (see below), whose sum is σ = 1600177558944. Its totient is φ = 800074168800.

The previous prime is 1200122211187. The next prime is 1200122211209. The reversal of 1200122211201 is 1021122210021.

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

It is not a de Polignac number, because 1200122211201 - 2¹⁵ = 1200122178433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200122211209) 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, 1430775 + ... + 2108876.

It is an arithmetic number, because the mean of its divisors is an integer number (200022194868).

Almost surely, 2^{1200122211201} is an apocalyptic number.

It is an amenable number.

1200122211201 is a deficient number, since it is larger than the sum of its proper divisors (400055347743).

1200122211201 is a wasteful number, since it uses less digits than its factorization.

1200122211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652671.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200122211201 its reverse (1021122210021), we get a palindrome (2221244421222).

The spelling of 1200122211201 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".