1211112204 has 24 divisors (see below), whose sum is σ = 2829153600. Its totient is φ = 403243344.

The previous prime is 1211112163. The next prime is 1211112229. The reversal of 1211112204 is 4022111121.

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, 46554 + ... + 67745.

It is an arithmetic number, because the mean of its divisors is an integer number (117881400).

Almost surely, 2^1211112204 is an apocalyptic number.

It is an amenable number.

1211112204 is an abundant number, since it is smaller than the sum of its proper divisors (1618041396).

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

1211112204 is a wasteful number, since it uses less digits than its factorization.

1211112204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115189 (or 115187 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1211112204 is about 34801.0373983305. The cubic root of 1211112204 is about 1065.9286290888.

Adding to 1211112204 its reverse (4022111121), we get a palindrome (5233223325).

The spelling of 1211112204 in words is "one billion, two hundred eleven million, one hundred twelve thousand, two hundred four".