12121121100002 has 8 divisors (see below), whose sum is σ = 18182802433536. Its totient is φ = 6060186955492.

The previous prime is 12121121099947. The next prime is 12121121100029. The reversal of 12121121100002 is 20000112112121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12121121100002.

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, 186756698 + ... + 186821589.

It is an arithmetic number, because the mean of its divisors is an integer number (2272850304192).

Almost surely, 2^{12121121100002} is an apocalyptic number.

12121121100002 is a deficient number, since it is larger than the sum of its proper divisors (6061681333534).

12121121100002 is a wasteful number, since it uses less digits than its factorization.

12121121100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373594512.

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

Adding to 12121121100002 its reverse (20000112112121), we get a palindrome (32121233212123).

The spelling of 12121121100002 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two".