2512121023241 has 4 divisors (see below), whose sum is σ = 2512138737300. Its totient is φ = 2512103309184.

The previous prime is 2512121023189. The next prime is 2512121023309. The reversal of 2512121023241 is 1423201212152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332895534841 + 2179225488400 = 576971^2 + 1476220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512121023241 - 2⁶ = 2512121023177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2512121023241.

It is not an unprimeable number, because it can be changed into a prime (2512121023441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8642576 + ... + 8928513.

It is an arithmetic number, because the mean of its divisors is an integer number (628034684325).

Almost surely, 2^{2512121023241} is an apocalyptic number.

It is an amenable number.

2512121023241 is a deficient number, since it is larger than the sum of its proper divisors (17714059).

2512121023241 is a wasteful number, since it uses less digits than its factorization.

2512121023241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17714058.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 2512121023241 its reverse (1423201212152), we get a palindrome (3935322235393).

The spelling of 2512121023241 in words is "two trillion, five hundred twelve billion, one hundred twenty-one million, twenty-three thousand, two hundred forty-one".