1000112001212 has 24 divisors (see below), whose sum is σ = 1873537209600. Its totient is φ = 465707816496.

The previous prime is 1000112001191. The next prime is 1000112001283. The reversal of 1000112001212 is 2121002110001.

It is a junction number, because it is equal to n+sod(n) for n = 1000112001193 and 1000112001202.

It is a congruent number.

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, 111515588 + ... + 111524555.

It is an arithmetic number, because the mean of its divisors is an integer number (78064050400).

Almost surely, 2^{1000112001212} is an apocalyptic number.

It is an amenable number.

1000112001212 is a deficient number, since it is larger than the sum of its proper divisors (873425208388).

1000112001212 is a wasteful number, since it uses less digits than its factorization.

1000112001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223040225 (or 223040223 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000112001212 its reverse (2121002110001), we get a palindrome (3121114111213).

The spelling of 1000112001212 in words is "one trillion, one hundred twelve million, one thousand, two hundred twelve".