20121202000001 has 16 divisors (see below), whose sum is σ = 21316462939200. Its totient is φ = 18939581414208.

The previous prime is 20121201999971. The next prime is 20121202000037. The reversal of 20121202000001 is 10000020212102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20121202000001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20121202000201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48994130 + ... + 49403108.

It is an arithmetic number, because the mean of its divisors is an integer number (1332278933700).

Almost surely, 2^{20121202000001} is an apocalyptic number.

It is an amenable number.

20121202000001 is a deficient number, since it is larger than the sum of its proper divisors (1195260939199).

20121202000001 is a wasteful number, since it uses less digits than its factorization.

20121202000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425648.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20121202000001 its reverse (10000020212102), we get a palindrome (30121222212103).

The spelling of 20121202000001 in words is "twenty trillion, one hundred twenty-one billion, two hundred two million, one", and thus it is an aban number.