2012121000121 has 8 divisors (see below), whose sum is σ = 2027653176384. Its totient is φ = 1996591437360.

The previous prime is 2012121000119. The next prime is 2012121000137. The reversal of 2012121000121 is 1210001212102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012121000121 - 2¹ = 2012121000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012121007121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906675 + ... + 2201431.

It is an arithmetic number, because the mean of its divisors is an integer number (253456647048).

Almost surely, 2^{2012121000121} is an apocalyptic number.

It is an amenable number.

2012121000121 is a deficient number, since it is larger than the sum of its proper divisors (15532176263).

2012121000121 is a wasteful number, since it uses less digits than its factorization.

2012121000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306751.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012121000121 its reverse (1210001212102), we get a palindrome (3222122212223).

The spelling of 2012121000121 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.