1211132212 has 12 divisors (see below), whose sum is σ = 2120011936. Its totient is φ = 605414520.

The previous prime is 1211132171. The next prime is 1211132213. The reversal of 1211132212 is 2122311121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211132213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18858 + ... + 52705.

Almost surely, 2^1211132212 is an apocalyptic number.

It is an amenable number.

1211132212 is a deficient number, since it is larger than the sum of its proper divisors (908879724).

1211132212 is a wasteful number, since it uses less digits than its factorization.

1211132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75798 (or 75796 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1211132212 is about 34801.3248598383. The cubic root of 1211132212 is about 1065.9344988952.

Adding to 1211132212 its reverse (2122311121), we get a palindrome (3333443333).

The spelling of 1211132212 in words is "one billion, two hundred eleven million, one hundred thirty-two thousand, two hundred twelve".