2421012003 has 4 divisors (see below), whose sum is σ = 3228016008. Its totient is φ = 1614008000.

The previous prime is 2421012001. The next prime is 2421012029. The reversal of 2421012003 is 3002101242.

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 2421012003 - 2¹ = 2421012001 is a prime.

It is a super-2 number, since 2×2421012003² = 11722598237340144018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421012001) 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, 403501998 + ... + 403502003.

It is an arithmetic number, because the mean of its divisors is an integer number (807004002).

Almost surely, 2^2421012003 is an apocalyptic number.

2421012003 is a deficient number, since it is larger than the sum of its proper divisors (807004005).

2421012003 is an equidigital number, since it uses as much as digits as its factorization.

2421012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807004004.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2421012003 is about 49203.7803730567. The cubic root of 2421012003 is about 1342.7618101657.

Adding to 2421012003 its reverse (3002101242), we get a palindrome (5423113245).

The spelling of 2421012003 in words is "two billion, four hundred twenty-one million, twelve thousand, three".