1231202212 has 12 divisors (see below), whose sum is σ = 2155008240. Its totient is φ = 615485576.

The previous prime is 1231202183. The next prime is 1231202257. The reversal of 1231202212 is 2122021321.

It is a happy 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, 2158 + ... + 49669.

It is an arithmetic number, because the mean of its divisors is an integer number (179584020).

Almost surely, 2^1231202212 is an apocalyptic number.

It is an amenable number.

1231202212 is a deficient number, since it is larger than the sum of its proper divisors (923806028).

1231202212 is a wasteful number, since it uses less digits than its factorization.

1231202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57770 (or 57768 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1231202212 is about 35088.4911616330. The cubic root of 1231202212 is about 1071.7902344911.

Adding to 1231202212 its reverse (2122021321), we get a palindrome (3353223533).

The spelling of 1231202212 in words is "one billion, two hundred thirty-one million, two hundred two thousand, two hundred twelve".