1200211201011 has 16 divisors (see below), whose sum is σ = 1723134729600. Its totient is φ = 740309731968.

The previous prime is 1200211201009. The next prime is 1200211201019. The reversal of 1200211201011 is 1101021120021.

It is not a de Polignac number, because 1200211201011 - 2¹ = 1200211201009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200211201019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199433881 + ... + 199439898.

It is an arithmetic number, because the mean of its divisors is an integer number (107695920600).

Almost surely, 2^{1200211201011} is an apocalyptic number.

1200211201011 is a deficient number, since it is larger than the sum of its proper divisors (522923528589).

1200211201011 is a wasteful number, since it uses less digits than its factorization.

1200211201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398873858.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200211201011 its reverse (1101021120021), we get a palindrome (2301232321032).

The spelling of 1200211201011 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred one thousand, eleven".