2430012021442 has 4 divisors (see below), whose sum is σ = 3645018032166. Its totient is φ = 1215006010720.

The previous prime is 2430012021413. The next prime is 2430012021443. The reversal of 2430012021442 is 2441202100342.

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

It can be written as a sum of positive squares in only one way, i.e., 2325475552401 + 104536469041 = 1524951^2 + 323321^2 .

It is not an unprimeable number, because it can be changed into a prime (2430012021443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607503005359 + ... + 607503005362.

Almost surely, 2^{2430012021442} is an apocalyptic number.

2430012021442 is a deficient number, since it is larger than the sum of its proper divisors (1215006010724).

2430012021442 is a wasteful number, since it uses less digits than its factorization.

2430012021442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215006010723.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2430012021442 its reverse (2441202100342), we get a palindrome (4871214121784).

The spelling of 2430012021442 in words is "two trillion, four hundred thirty billion, twelve million, twenty-one thousand, four hundred forty-two".