12402142203432 has 64 divisors (see below), whose sum is σ = 31098995055360. Its totient is φ = 4121579571200.

The previous prime is 12402142203361. The next prime is 12402142203439. The reversal of 12402142203432 is 23430224120421.

12402142203432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12402142203432.

It is not an unprimeable number, because it can be changed into a prime (12402142203439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10846768 + ... + 11935520.

It is an arithmetic number, because the mean of its divisors is an integer number (485921797740).

Almost surely, 2^{12402142203432} is an apocalyptic number.

12402142203432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12402142203432 is an abundant number, since it is smaller than the sum of its proper divisors (18696852851928).

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

12402142203432 is a wasteful number, since it uses less digits than its factorization.

12402142203432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090194 (or 1090190 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12402142203432 its reverse (23430224120421), we get a palindrome (35832366323853).

The spelling of 12402142203432 in words is "twelve trillion, four hundred two billion, one hundred forty-two million, two hundred three thousand, four hundred thirty-two".