100001120201212 has 12 divisors (see below), whose sum is σ = 175309520919120. Its totient is φ = 49912685652896.

The previous prime is 100001120201111. The next prime is 100001120201249. The reversal of 100001120201212 is 212102021100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001120201192 and 100001120201201.

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, 21968609368 + ... + 21968613919.

It is an arithmetic number, because the mean of its divisors is an integer number (14609126743260).

Almost surely, 2^{100001120201212} is an apocalyptic number.

It is an amenable number.

100001120201212 is a deficient number, since it is larger than the sum of its proper divisors (75308400717908).

100001120201212 is a wasteful number, since it uses less digits than its factorization.

100001120201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43937223860 (or 43937223858 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100001120201212 its reverse (212102021100001), we get a palindrome (312103141301213).

The spelling of 100001120201212 in words is "one hundred trillion, one billion, one hundred twenty million, two hundred one thousand, two hundred twelve".