201430123302042 has 12 divisors (see below), whose sum is σ = 436431933821130. Its totient is φ = 67143374434008.

The previous prime is 201430123302029. The next prime is 201430123302073. The reversal of 201430123302042 is 240203321034102.

201430123302042 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 301 + 2 + 330 + 20 + 4 + 2 = 666.

201430123302042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 113233626394641 + 88196496907401 = 10641129^2 + 9391299^2 .

It is a super-2 number, since 2×201430123302042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201430123301997 and 201430123302015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5595281202817 + ... + 5595281202852.

Almost surely, 2^{201430123302042} is an apocalyptic number.

201430123302042 is an abundant number, since it is smaller than the sum of its proper divisors (235001810519088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201430123302042 is a wasteful number, since it uses less digits than its factorization.

201430123302042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190562405677 (or 11190562405674 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 201430123302042 its reverse (240203321034102), we get a palindrome (441633444336144).

The spelling of 201430123302042 in words is "two hundred one trillion, four hundred thirty billion, one hundred twenty-three million, three hundred two thousand, forty-two".