2912544121 has 4 divisors (see below), whose sum is σ = 2912815972. Its totient is φ = 2912272272.

The previous prime is 2912544053. The next prime is 2912544149. The reversal of 2912544121 is 1214452192.

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 1806250000 + 1106294121 = 42500^2 + 33261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2912544121 - 2²⁵ = 2878989689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2912544221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119166 + ... + 141511.

It is an arithmetic number, because the mean of its divisors is an integer number (728203993).

Almost surely, 2^2912544121 is an apocalyptic number.

It is an amenable number.

2912544121 is a deficient number, since it is larger than the sum of its proper divisors (271851).

2912544121 is a wasteful number, since it uses less digits than its factorization.

2912544121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271850.

The product of its digits is 5760, while the sum is 31.

The square root of 2912544121 is about 53967.9916339306. The cubic root of 2912544121 is about 1428.0963341615.

The spelling of 2912544121 in words is "two billion, nine hundred twelve million, five hundred forty-four thousand, one hundred twenty-one".