100121011200212 has 12 divisors (see below), whose sum is σ = 179485227395796. Its totient is φ = 48839517658560.

The previous prime is 100121011200191. The next prime is 100121011200239. The reversal of 100121011200212 is 212002110121001.

It can be written as a sum of positive squares in 2 ways, for example, as 9929027873296 + 90191983326916 = 3151036^2 + 9496946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305246985203 + ... + 305246985530.

It is an arithmetic number, because the mean of its divisors is an integer number (14957102282983).

Almost surely, 2^{100121011200212} is an apocalyptic number.

It is an amenable number.

100121011200212 is a deficient number, since it is larger than the sum of its proper divisors (79364216195584).

100121011200212 is a wasteful number, since it uses less digits than its factorization.

100121011200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610493970778 (or 610493970776 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100121011200212 its reverse (212002110121001), we get a palindrome (312123121321213).

The spelling of 100121011200212 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two hundred thousand, two hundred twelve".