100111120001212 has 12 divisors (see below), whose sum is σ = 185500016472960. Its totient is φ = 47111115294656.

The previous prime is 100111120001209. The next prime is 100111120001323. The reversal of 100111120001212 is 212100021111001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100111120001192 and 100111120001201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736111176412 + ... + 736111176547.

It is an arithmetic number, because the mean of its divisors is an integer number (15458334706080).

Almost surely, 2^{100111120001212} is an apocalyptic number.

It is an amenable number.

100111120001212 is a deficient number, since it is larger than the sum of its proper divisors (85388896471748).

100111120001212 is a wasteful number, since it uses less digits than its factorization.

100111120001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472222352980 (or 1472222352978 counting only the distinct ones).

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

Adding to 100111120001212 its reverse (212100021111001), we get a palindrome (312211141112213).

The spelling of 100111120001212 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty million, one thousand, two hundred twelve".