1133212312 has 16 divisors (see below), whose sum is σ = 2125936800. Its totient is φ = 566295840.

The previous prime is 1133212303. The next prime is 1133212313. The reversal of 1133212312 is 2132123311.

It is a self number, because there is not a number n which added to its sum of digits gives 1133212312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133212313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22887 + ... + 52822.

It is an arithmetic number, because the mean of its divisors is an integer number (132871050).

Almost surely, 2^1133212312 is an apocalyptic number.

It is an amenable number.

1133212312 is a deficient number, since it is larger than the sum of its proper divisors (992724488).

1133212312 is a wasteful number, since it uses less digits than its factorization.

1133212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77586 (or 77582 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1133212312 is about 33663.2189785825. The cubic root of 1133212312 is about 1042.5664891737.

Adding to 1133212312 its reverse (2132123311), we get a palindrome (3265335623).

The spelling of 1133212312 in words is "one billion, one hundred thirty-three million, two hundred twelve thousand, three hundred twelve".