12046431420 has 36 divisors (see below), whose sum is σ = 36540842520. Its totient is φ = 3212381664.

The previous prime is 12046431407. The next prime is 12046431443. The reversal of 12046431420 is 2413464021.

It is a happy number.

12046431420 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 643 + 14 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33462130 + ... + 33462489.

Almost surely, 2^12046431420 is an apocalyptic number.

12046431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12046431420 is an abundant number, since it is smaller than the sum of its proper divisors (24494411100).

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

12046431420 is a wasteful number, since it uses less digits than its factorization.

12046431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66924634 (or 66924629 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12046431420 its reverse (2413464021), we get a palindrome (14459895441).

The spelling of 12046431420 in words is "twelve billion, forty-six million, four hundred thirty-one thousand, four hundred twenty".