2312010121 has 4 divisors (see below), whose sum is σ = 2312129044. Its totient is φ = 2311891200.

The previous prime is 2312010109. The next prime is 2312010143. The reversal of 2312010121 is 1210102132.

2312010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 932630521 + 1379379600 = 30539^2 + 37140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312010121 - 2¹⁹ = 2311485833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312710121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22740 + ... + 71701.

It is an arithmetic number, because the mean of its divisors is an integer number (578032261).

Almost surely, 2^2312010121 is an apocalyptic number.

It is an amenable number.

2312010121 is a deficient number, since it is larger than the sum of its proper divisors (118923).

2312010121 is an equidigital number, since it uses as much as digits as its factorization.

2312010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118922.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2312010121 is about 48083.3663650955. The cubic root of 2312010121 is about 1322.2997331836.

Adding to 2312010121 its reverse (1210102132), we get a palindrome (3522112253).

The spelling of 2312010121 in words is "two billion, three hundred twelve million, ten thousand, one hundred twenty-one".