1200212011120 has 40 divisors (see below), whose sum is σ = 2790674626464. Its totient is φ = 480053544192.

The previous prime is 1200212011109. The next prime is 1200212011147. The reversal of 1200212011120 is 211102120021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1200212011120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767922 + ... + 1729198.

Almost surely, 2^{1200212011120} is an apocalyptic number.

1200212011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200212011120 is an abundant number, since it is smaller than the sum of its proper divisors (1590462615344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200212011120 is a wasteful number, since it uses less digits than its factorization.

1200212011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976897 (or 976891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200212011120 its reverse (211102120021), we get a palindrome (1411314131141).

The spelling of 1200212011120 in words is "one trillion, two hundred billion, two hundred twelve million, eleven thousand, one hundred twenty".