2012120000121 has 32 divisors (see below), whose sum is σ = 3382405171200. Its totient is φ = 1033512670080.

The previous prime is 2012120000089. The next prime is 2012120000147. The reversal of 2012120000121 is 1210000212102.

It is not a de Polignac number, because 2012120000121 - 2⁵ = 2012120000089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012120000097 and 2012120000106.

It is not an unprimeable number, because it can be changed into a prime (2012120000921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48914701 + ... + 48955818.

It is an arithmetic number, because the mean of its divisors is an integer number (105700161600).

Almost surely, 2^{2012120000121} is an apocalyptic number.

2012120000121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2012120000121 is a deficient number, since it is larger than the sum of its proper divisors (1370285171079).

2012120000121 is a wasteful number, since it uses less digits than its factorization.

2012120000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97870629.

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

Adding to 2012120000121 its reverse (1210000212102), we get a palindrome (3222120212223).

The spelling of 2012120000121 in words is "two trillion, twelve billion, one hundred twenty million, one hundred twenty-one", and thus it is an aban number.