2010121212121 has 12 divisors (see below), whose sum is σ = 2209533522532. Its totient is φ = 1827332100000.

The previous prime is 2010121212089. The next prime is 2010121212167. The reversal of 2010121212121 is 1212121210102.

It can be written as a sum of positive squares in 2 ways, for example, as 195550568521 + 1814570643600 = 442211^2 + 1347060^2 .

It is not a de Polignac number, because 2010121212121 - 2⁵ = 2010121212089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010121212095 and 2010121212104.

It is not an unprimeable number, because it can be changed into a prime (2010121212191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4544071 + ... + 4966771.

Almost surely, 2^{2010121212121} is an apocalyptic number.

It is an amenable number.

2010121212121 is a deficient number, since it is larger than the sum of its proper divisors (199412310411).

2010121212121 is a wasteful number, since it uses less digits than its factorization.

2010121212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462024 (or 462013 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2010121212121 its reverse (1212121210102), we get a palindrome (3222242422223).

The spelling of 2010121212121 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-one".