1212230112232 has 8 divisors (see below), whose sum is σ = 2272931460450. Its totient is φ = 606115056112.

The previous prime is 1212230112229. The next prime is 1212230112253. The reversal of 1212230112232 is 2322110322121.

It can be written as a sum of positive squares in only one way, i.e., 1097394524356 + 114835587876 = 1047566^2 + 338874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75764382007 + ... + 75764382022.

Almost surely, 2^{1212230112232} is an apocalyptic number.

It is an amenable number.

1212230112232 is a deficient number, since it is larger than the sum of its proper divisors (1060701348218).

1212230112232 is a wasteful number, since it uses less digits than its factorization.

1212230112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151528764035 (or 151528764031 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1212230112232 its reverse (2322110322121), we get a palindrome (3534340434353).

The spelling of 1212230112232 in words is "one trillion, two hundred twelve billion, two hundred thirty million, one hundred twelve thousand, two hundred thirty-two".