12420303132 has 12 divisors (see below), whose sum is σ = 28980707336. Its totient is φ = 4140101040.

The previous prime is 12420303067. The next prime is 12420303149. The reversal of 12420303132 is 23130302421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12420303099 and 12420303108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517512619 + ... + 517512642.

Almost surely, 2^12420303132 is an apocalyptic number.

12420303132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12420303132 is an abundant number, since it is smaller than the sum of its proper divisors (16560404204).

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

12420303132 is a wasteful number, since it uses less digits than its factorization.

12420303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035025268 (or 1035025266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12420303132 its reverse (23130302421), we get a palindrome (35550605553).

The spelling of 12420303132 in words is "twelve billion, four hundred twenty million, three hundred three thousand, one hundred thirty-two".