1322112100012 has 24 divisors (see below), whose sum is σ = 2549022617232. Its totient is φ = 595009944000.

The previous prime is 1322112099923. The next prime is 1322112100021. The reversal of 1322112100012 is 2100012112231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148748043 + ... + 148756930.

It is an arithmetic number, because the mean of its divisors is an integer number (106209275718).

Almost surely, 2^{1322112100012} is an apocalyptic number.

It is an amenable number.

1322112100012 is a deficient number, since it is larger than the sum of its proper divisors (1226910517220).

1322112100012 is a wasteful number, since it uses less digits than its factorization.

1322112100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297505089 (or 297505087 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1322112100012 its reverse (2100012112231), we get a palindrome (3422124212243).

The spelling of 1322112100012 in words is "one trillion, three hundred twenty-two billion, one hundred twelve million, one hundred thousand, twelve".