1131152212 has 12 divisors (see below), whose sum is σ = 1998017280. Its totient is φ = 560290136.

The previous prime is 1131152207. The next prime is 1131152237. The reversal of 1131152212 is 2122511311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131152212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321012 + ... + 1321867.

It is an arithmetic number, because the mean of its divisors is an integer number (166501440).

Almost surely, 2^1131152212 is an apocalyptic number.

It is an amenable number.

1131152212 is a deficient number, since it is larger than the sum of its proper divisors (866865068).

1131152212 is a wasteful number, since it uses less digits than its factorization.

1131152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642990 (or 2642988 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 1131152212 is about 33632.6063813080. The cubic root of 1131152212 is about 1041.9343351844.

Adding to 1131152212 its reverse (2122511311), we get a palindrome (3253663523).

The spelling of 1131152212 in words is "one billion, one hundred thirty-one million, one hundred fifty-two thousand, two hundred twelve".