100121212002 has 32 divisors (see below), whose sum is σ = 238798420992. Its totient is φ = 27362318544.

The previous prime is 100121211977. The next prime is 100121212031. The reversal of 100121212002 is 200212121001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51821608 + ... + 51823539.

It is an arithmetic number, because the mean of its divisors is an integer number (7462450656).

Almost surely, 2^100121212002 is an apocalyptic number.

100121212002 is an abundant number, since it is smaller than the sum of its proper divisors (138677208990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100121212002 is a wasteful number, since it uses less digits than its factorization.

100121212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103645182.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100121212002 its reverse (200212121001), we get a palindrome (300333333003).

The spelling of 100121212002 in words is "one hundred billion, one hundred twenty-one million, two hundred twelve thousand, two".