1122211525012 has 12 divisors (see below), whose sum is σ = 1965372756480. Its totient is φ = 560676451736.

The previous prime is 1122211525009. The next prime is 1122211525013. The reversal of 1122211525012 is 2105251122211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122211525013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107321812 + ... + 107332267.

It is an arithmetic number, because the mean of its divisors is an integer number (163781063040).

Almost surely, 2^{1122211525012} is an apocalyptic number.

It is an amenable number.

1122211525012 is a deficient number, since it is larger than the sum of its proper divisors (843161231468).

1122211525012 is a wasteful number, since it uses less digits than its factorization.

1122211525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214655390 (or 214655388 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 1122211525012 its reverse (2105251122211), we get a palindrome (3227462647223).

The spelling of 1122211525012 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, five hundred twenty-five thousand, twelve".