1121222230012 has 12 divisors (see below), whose sum is σ = 1962153799816. Its totient is φ = 560606858640.

The previous prime is 1121222230003. The next prime is 1121222230033. The reversal of 1121222230012 is 2100322221211.

It is a congruent 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, 429318 + ... + 1557805.

Almost surely, 2^{1121222230012} is an apocalyptic number.

It is an amenable number.

1121222230012 is a deficient number, since it is larger than the sum of its proper divisors (840931569804).

1121222230012 is a wasteful number, since it uses less digits than its factorization.

1121222230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128188 (or 2128186 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121222230012 its reverse (2100322221211), we get a palindrome (3221544451223).

The spelling of 1121222230012 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred thirty thousand, twelve".