2012000200121 has 16 divisors (see below), whose sum is σ = 2047923082944. Its totient is φ = 1976306540544.

The previous prime is 2012000200019. The next prime is 2012000200127. The reversal of 2012000200121 is 1210020002102.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012000200121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012000200127) 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, 132126110 + ... + 132141336.

It is an arithmetic number, because the mean of its divisors is an integer number (127995192684).

Almost surely, 2^{2012000200121} is an apocalyptic number.

It is an amenable number.

2012000200121 is a deficient number, since it is larger than the sum of its proper divisors (35922882823).

2012000200121 is a wasteful number, since it uses less digits than its factorization.

2012000200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600.

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

Adding to 2012000200121 its reverse (1210020002102), we get a palindrome (3222020202223).

The spelling of 2012000200121 in words is "two trillion, twelve billion, two hundred thousand, one hundred twenty-one".