100011111201212 has 24 divisors (see below), whose sum is σ = 175310175591936. Its totient is φ = 49922518411568.

The previous prime is 100011111201151. The next prime is 100011111201217. The reversal of 100011111201212 is 212102111110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011111201217) 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, 10299563 + ... + 17495805.

It is an arithmetic number, because the mean of its divisors is an integer number (7304590649664).

Almost surely, 2^{100011111201212} is an apocalyptic number.

It is an amenable number.

100011111201212 is a deficient number, since it is larger than the sum of its proper divisors (75299064390724).

100011111201212 is a wasteful number, since it uses less digits than its factorization.

100011111201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202017 (or 7202015 counting only the distinct ones).

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

Adding to 100011111201212 its reverse (212102111110001), we get a palindrome (312113222311213).

The spelling of 100011111201212 in words is "one hundred trillion, eleven billion, one hundred eleven million, two hundred one thousand, two hundred twelve".