111112010001212 has 24 divisors (see below), whose sum is σ = 213742187188992. Its totient is φ = 50119921233200.

The previous prime is 111112010001193. The next prime is 111112010001217. The reversal of 111112010001212 is 212100010211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112010001217) 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, 9638440628 + ... + 9638452155.

It is an arithmetic number, because the mean of its divisors is an integer number (8905924466208).

Almost surely, 2^{111112010001212} is an apocalyptic number.

It is an amenable number.

111112010001212 is a deficient number, since it is larger than the sum of its proper divisors (102630177187780).

111112010001212 is a wasteful number, since it uses less digits than its factorization.

111112010001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19276892929 (or 19276892927 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111112010001212 its reverse (212100010211111), we get a palindrome (323212020212323).

The spelling of 111112010001212 in words is "one hundred eleven trillion, one hundred twelve billion, ten million, one thousand, two hundred twelve".