20121200200002 has 32 divisors (see below), whose sum is σ = 43903471060800. Its totient is φ = 6096962473920.

The previous prime is 20121200199943. The next prime is 20121200200091. The reversal of 20121200200002 is 20000200212102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178877 + ... + 10350672.

It is an arithmetic number, because the mean of its divisors is an integer number (1371983470650).

Almost surely, 2^{20121200200002} is an apocalyptic number.

20121200200002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20121200200002 is an abundant number, since it is smaller than the sum of its proper divisors (23782270860798).

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

20121200200002 is a wasteful number, since it uses less digits than its factorization.

20121200200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546018.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20121200200002 its reverse (20000200212102), we get a palindrome (40121400412104).

The spelling of 20121200200002 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, two hundred thousand, two".