1201200011120 has 40 divisors (see below), whose sum is σ = 2914215683616. Its totient is φ = 459589568768.

The previous prime is 1201200011119. The next prime is 1201200011147. The reversal of 1201200011120 is 211100021021.

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

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, 326411207 + ... + 326414886.

Almost surely, 2^{1201200011120} is an apocalyptic number.

1201200011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201200011120 is an abundant number, since it is smaller than the sum of its proper divisors (1713015672496).

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

1201200011120 is a wasteful number, since it uses less digits than its factorization.

1201200011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652826129 (or 652826123 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201200011120 its reverse (211100021021), we get a palindrome (1412300032141).

Subtracting from 1201200011120 its reverse (211100021021), we obtain a palindrome (990099990099).

The spelling of 1201200011120 in words is "one trillion, two hundred one billion, two hundred million, eleven thousand, one hundred twenty".