2512120003 has 4 divisors (see below), whose sum is σ = 2513085480. Its totient is φ = 2511154528.

The previous prime is 2512120001. The next prime is 2512120027. The reversal of 2512120003 is 3000212152.

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

It is a cyclic number.

It is not a de Polignac number, because 2512120003 - 2¹ = 2512120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512120001) 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, 478825 + ... + 484042.

It is an arithmetic number, because the mean of its divisors is an integer number (628271370).

Almost surely, 2^2512120003 is an apocalyptic number.

2512120003 is a deficient number, since it is larger than the sum of its proper divisors (965477).

2512120003 is an equidigital number, since it uses as much as digits as its factorization.

2512120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965476.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2512120003 is about 50121.0534905243. The cubic root of 2512120003 is about 1359.3985234969.

Adding to 2512120003 its reverse (3000212152), we get a palindrome (5512332155).

The spelling of 2512120003 in words is "two billion, five hundred twelve million, one hundred twenty thousand, three".