100001212201012 has 12 divisors (see below), whose sum is σ = 175005935435520. Its totient is φ = 49999516362296.

The previous prime is 100001212200997. The next prime is 100001212201019. The reversal of 100001212201012 is 210102212100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001212200983 and 100001212201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001212201019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272228062 + ... + 272595157.

It is an arithmetic number, because the mean of its divisors is an integer number (14583827952960).

Almost surely, 2^{100001212201012} is an apocalyptic number.

It is an amenable number.

100001212201012 is a deficient number, since it is larger than the sum of its proper divisors (75004723234508).

100001212201012 is a wasteful number, since it uses less digits than its factorization.

100001212201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544869110 (or 544869108 counting only the distinct ones).

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

Adding to 100001212201012 its reverse (210102212100001), we get a palindrome (310103424301013).

The spelling of 100001212201012 in words is "one hundred trillion, one billion, two hundred twelve million, two hundred one thousand, twelve".