1112121200012 has 24 divisors (see below), whose sum is σ = 1965446464800. Its totient is φ = 550566930816.

The previous prime is 1112121199957. The next prime is 1112121200017. The reversal of 1112121200012 is 2100021212111.

It is a super-2 number, since 2×1112121200012² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112121200012.

It is not an unprimeable number, because it can be changed into a prime (1112121200017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188064 + ... + 2647992.

It is an arithmetic number, because the mean of its divisors is an integer number (81893602700).

Almost surely, 2^{1112121200012} is an apocalyptic number.

It is an amenable number.

1112121200012 is a deficient number, since it is larger than the sum of its proper divisors (853325264788).

1112121200012 is a wasteful number, since it uses less digits than its factorization.

1112121200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465905 (or 465903 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112121200012 its reverse (2100021212111), we get a palindrome (3212142412123).

The spelling of 1112121200012 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, twelve".