1131234212 has 12 divisors (see below), whose sum is σ = 1995248640. Its totient is φ = 561163176.

The previous prime is 1131234197. The next prime is 1131234283. The reversal of 1131234212 is 2124321311.

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, 1112912 + ... + 1113927.

It is an arithmetic number, because the mean of its divisors is an integer number (166270720).

Almost surely, 2^1131234212 is an apocalyptic number.

It is an amenable number.

1131234212 is a deficient number, since it is larger than the sum of its proper divisors (864014428).

1131234212 is a wasteful number, since it uses less digits than its factorization.

1131234212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226970 (or 2226968 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1131234212 is about 33633.8254143058. The cubic root of 1131234212 is about 1041.9595120351.

Adding to 1131234212 its reverse (2124321311), we get a palindrome (3255555523).

The spelling of 1131234212 in words is "one billion, one hundred thirty-one million, two hundred thirty-four thousand, two hundred twelve".