12642332046 has 16 divisors (see below), whose sum is σ = 25872680064. Its totient is φ = 4116108024.

The previous prime is 12642332009. The next prime is 12642332069. The reversal of 12642332046 is 64023324621.

It is a super-2 number, since 2×12642332046² (a number of 21 digits) contains 22 as substring.

12642332046 is a modest number, since divided by 332046 gives 12642 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12642331998 and 12642332016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24500386 + ... + 24500901.

It is an arithmetic number, because the mean of its divisors is an integer number (1617042504).

Almost surely, 2^12642332046 is an apocalyptic number.

12642332046 is an abundant number, since it is smaller than the sum of its proper divisors (13230348018).

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

12642332046 is a wasteful number, since it uses less digits than its factorization.

12642332046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49001335.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 12642332046 its reverse (64023324621), we get a palindrome (76665656667).

The spelling of 12642332046 in words is "twelve billion, six hundred forty-two million, three hundred thirty-two thousand, forty-six".