1111100012012 has 12 divisors (see below), whose sum is σ = 2058802963560. Its totient is φ = 522870593856.

The previous prime is 1111100011991. The next prime is 1111100012017. The reversal of 1111100012012 is 2102100011111.

It is a junction number, because it is equal to n+sod(n) for n = 1111100011984 and 1111100012002.

It is not an unprimeable number, because it can be changed into a prime (1111100012017) 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, 8169852962 + ... + 8169853097.

It is an arithmetic number, because the mean of its divisors is an integer number (171566913630).

Almost surely, 2^{1111100012012} is an apocalyptic number.

It is an amenable number.

1111100012012 is a deficient number, since it is larger than the sum of its proper divisors (947702951548).

1111100012012 is a wasteful number, since it uses less digits than its factorization.

1111100012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339706080 (or 16339706078 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111100012012 its reverse (2102100011111), we get a palindrome (3213200023123).

Subtracting 1111100012012 from its reverse (2102100011111), we obtain a palindrome (990999999099).

The spelling of 1111100012012 in words is "one trillion, one hundred eleven billion, one hundred million, twelve thousand, twelve".