1201112111208 has 64 divisors (see below), whose sum is σ = 3006385430400. Its totient is φ = 399890257920.

The previous prime is 1201112111191. The next prime is 1201112111209. The reversal of 1201112111208 is 8021112111021.

It is not an unprimeable number, because it can be changed into a prime (1201112111209) 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, 132847168 + ... + 132856208.

It is an arithmetic number, because the mean of its divisors is an integer number (46974772350).

Almost surely, 2^{1201112111208} is an apocalyptic number.

It is an amenable number.

1201112111208 is an abundant number, since it is smaller than the sum of its proper divisors (1805273319192).

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

1201112111208 is a wasteful number, since it uses less digits than its factorization.

1201112111208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082 (or 15078 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 21.

Adding to 1201112111208 its reverse (8021112111021), we get a palindrome (9222224222229).

The spelling of 1201112111208 in words is "one trillion, two hundred one billion, one hundred twelve million, one hundred eleven thousand, two hundred eight".