1200122000011 has 4 divisors (see below), whose sum is σ = 1309224000024. Its totient is φ = 1091020000000.

The previous prime is 1200121999949. The next prime is 1200122000017. The reversal of 1200122000011 is 1100002210021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200122000011 - 2¹⁵ = 1200121967243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200122000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54550999990 + ... + 54551000011.

It is an arithmetic number, because the mean of its divisors is an integer number (327306000006).

Almost surely, 2^{1200122000011} is an apocalyptic number.

1200122000011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200122000011 is a deficient number, since it is larger than the sum of its proper divisors (109102000013).

1200122000011 is a wasteful number, since it uses less digits than its factorization.

1200122000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109102000012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1200122000011 its reverse (1100002210021), we get a palindrome (2300124210032).

The spelling of 1200122000011 in words is "one trillion, two hundred billion, one hundred twenty-two million, eleven", and thus it is an aban number.