1111210001212 has 12 divisors (see below), whose sum is σ = 1944680734360. Its totient is φ = 555586934256.

The previous prime is 1111210001191. The next prime is 1111210001219. The reversal of 1111210001212 is 2121000121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111210001192 and 1111210001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111210001219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4377723 + ... + 4624594.

Almost surely, 2^{1111210001212} is an apocalyptic number.

It is an amenable number.

1111210001212 is a deficient number, since it is larger than the sum of its proper divisors (833470733148).

1111210001212 is a wasteful number, since it uses less digits than its factorization.

1111210001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033180 (or 9033178 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111210001212 its reverse (2121000121111), we get a palindrome (3232210122323).

The spelling of 1111210001212 in words is "one trillion, one hundred eleven billion, two hundred ten million, one thousand, two hundred twelve".