1200212200011 has 24 divisors (see below), whose sum is σ = 1815730266112. Its totient is φ = 703936767600.

The previous prime is 1200212199997. The next prime is 1200212200049. The reversal of 1200212200011 is 1100022120021.

It is not a de Polignac number, because 1200212200011 - 2⁷ = 1200212199883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200212200011.

It is not an unprimeable number, because it can be changed into a prime (1200212202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53317291 + ... + 53339796.

Almost surely, 2^{1200212200011} is an apocalyptic number.

1200212200011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200212200011 is a deficient number, since it is larger than the sum of its proper divisors (615518066101).

1200212200011 is a wasteful number, since it uses less digits than its factorization.

1200212200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106657143 (or 106657132 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200212200011 its reverse (1100022120021), we get a palindrome (2300234320032).

The spelling of 1200212200011 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred thousand, eleven".