4203130122442 has 4 divisors (see below), whose sum is σ = 6304695183666. Its totient is φ = 2101565061220.

The previous prime is 4203130122437. The next prime is 4203130122461. The reversal of 4203130122442 is 2442210313024.

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., 4186889423721 + 16240698721 = 2046189^2 + 127439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4203130122442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050782530609 + ... + 1050782530612.

Almost surely, 2^{4203130122442} is an apocalyptic number.

4203130122442 is a deficient number, since it is larger than the sum of its proper divisors (2101565061224).

4203130122442 is a wasteful number, since it uses less digits than its factorization.

4203130122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101565061223.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4203130122442 its reverse (2442210313024), we get a palindrome (6645340435466).

The spelling of 4203130122442 in words is "four trillion, two hundred three billion, one hundred thirty million, one hundred twenty-two thousand, four hundred forty-two".