1211212110232 has 8 divisors (see below), whose sum is σ = 2271022706700. Its totient is φ = 605606055112.

The previous prime is 1211212110187. The next prime is 1211212110259. The reversal of 1211212110232 is 2320112121121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75700756882 + ... + 75700756897.

Almost surely, 2^{1211212110232} is an apocalyptic number.

It is an amenable number.

1211212110232 is a deficient number, since it is larger than the sum of its proper divisors (1059810596468).

1211212110232 is a wasteful number, since it uses less digits than its factorization.

1211212110232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151401513785 (or 151401513781 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1211212110232 its reverse (2320112121121), we get a palindrome (3531324231353).

The spelling of 1211212110232 in words is "one trillion, two hundred eleven billion, two hundred twelve million, one hundred ten thousand, two hundred thirty-two".