12121201000002 has 8 divisors (see below), whose sum is σ = 24242402000016. Its totient is φ = 4040400333332.

The previous prime is 12121200999937. The next prime is 12121201000009. The reversal of 12121201000002 is 20000010212121.

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

12121201000002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12121201000009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010100083328 + ... + 1010100083339.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300250002).

Almost surely, 2^{12121201000002} is an apocalyptic number.

12121201000002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12121201000002 is a wasteful number, since it uses less digits than its factorization.

12121201000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020200166672.

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

Adding to 12121201000002 its reverse (20000010212121), we get a palindrome (32121211212123).

It can be divided in two parts, 1212120 and 1000002, that added together give a palindrome (2212122).

The spelling of 12121201000002 in words is "twelve trillion, one hundred twenty-one billion, two hundred one million, two", and thus it is an aban number.