12354432456342 has 16 divisors (see below), whose sum is σ = 24715926648000. Its totient is φ = 4116967196232.

The previous prime is 12354432456319. The next prime is 12354432456349. The reversal of 12354432456342 is 24365423445321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12354432456291 and 12354432456300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354432456349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294216228 + ... + 294258215.

It is an arithmetic number, because the mean of its divisors is an integer number (1544745415500).

Almost surely, 2^{12354432456342} is an apocalyptic number.

12354432456342 is an abundant number, since it is smaller than the sum of its proper divisors (12361494191658).

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

12354432456342 is a wasteful number, since it uses less digits than its factorization.

12354432456342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588477947.

The product of its digits is 8294400, while the sum is 48.

The spelling of 12354432456342 in words is "twelve trillion, three hundred fifty-four billion, four hundred thirty-two million, four hundred fifty-six thousand, three hundred forty-two".