2430012021 has 16 divisors (see below), whose sum is σ = 3252875136. Its totient is φ = 1613592576.

The previous prime is 2430012017. The next prime is 2430012023. The reversal of 2430012021 is 1202100342.

It is not a de Polignac number, because 2430012021 - 2² = 2430012017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430012023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067941 + ... + 1070213.

It is an arithmetic number, because the mean of its divisors is an integer number (203304696).

Almost surely, 2^2430012021 is an apocalyptic number.

It is an amenable number.

2430012021 is a deficient number, since it is larger than the sum of its proper divisors (822863115).

2430012021 is a wasteful number, since it uses less digits than its factorization.

2430012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532.

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

The square root of 2430012021 is about 49295.1521044413. The cubic root of 2430012021 is about 1344.4236408757.

Adding to 2430012021 its reverse (1202100342), we get a palindrome (3632112363).

The spelling of 2430012021 in words is "two billion, four hundred thirty million, twelve thousand, twenty-one".