12434402404442 has 32 divisors (see below), whose sum is σ = 19664088643584. Its totient is φ = 5888280268800.

The previous prime is 12434402404433. The next prime is 12434402404451. The reversal of 12434402404442 is 24440420443421.

It is an interprime number because it is at equal distance from previous prime (12434402404433) and next prime (12434402404451).

It is a super-2 number, since 2×12434402404442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12434402404396 and 12434402404405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52277978 + ... + 52515290.

It is an arithmetic number, because the mean of its divisors is an integer number (614502770112).

Almost surely, 2^{12434402404442} is an apocalyptic number.

12434402404442 is a deficient number, since it is larger than the sum of its proper divisors (7229686239142).

12434402404442 is a wasteful number, since it uses less digits than its factorization.

12434402404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255374.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 12434402404442 its reverse (24440420443421), we get a palindrome (36874822847863).

The spelling of 12434402404442 in words is "twelve trillion, four hundred thirty-four billion, four hundred two million, four hundred four thousand, four hundred forty-two".