12100121212002 has 24 divisors (see below), whose sum is σ = 24204230038896. Its totient is φ = 4032709241688.

The previous prime is 12100121211973. The next prime is 12100121212009. The reversal of 12100121212002 is 20021212100121.

It is not an unprimeable number, because it can be changed into a prime (12100121212009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 309898293 + ... + 309937335.

It is an arithmetic number, because the mean of its divisors is an integer number (1008509584954).

Almost surely, 2^{12100121212002} is an apocalyptic number.

12100121212002 is an abundant number, since it is smaller than the sum of its proper divisors (12104108826894).

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

12100121212002 is an frugal number, since it uses more digits than its factorization.

12100121212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53422 (or 46235 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12100121212002 its reverse (20021212100121), we get a palindrome (32121333312123).

The spelling of 12100121212002 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, two hundred twelve thousand, two".