100122121202212 has 12 divisors (see below), whose sum is σ = 182831699586816. Its totient is φ = 47884492748840.

The previous prime is 100122121202183. The next prime is 100122121202231. The reversal of 100122121202212 is 212202121221001.

It is a self number, because there is not a number n which added to its sum of digits gives 100122121202212.

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, 544141962964 + ... + 544141963147.

It is an arithmetic number, because the mean of its divisors is an integer number (15235974965568).

Almost surely, 2^{100122121202212} is an apocalyptic number.

It is an amenable number.

100122121202212 is a deficient number, since it is larger than the sum of its proper divisors (82709578384604).

100122121202212 is a wasteful number, since it uses less digits than its factorization.

100122121202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088283926138 (or 1088283926136 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100122121202212 its reverse (212202121221001), we get a palindrome (312324242423213).

The spelling of 100122121202212 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".