12730355132 has 24 divisors (see below), whose sum is σ = 24335073840. Its totient is φ = 5778984960.

The previous prime is 12730355117. The next prime is 12730355173. The reversal of 12730355132 is 23155303721.

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, 154283 + ... + 221954.

It is an arithmetic number, because the mean of its divisors is an integer number (1013961410).

Almost surely, 2^12730355132 is an apocalyptic number.

It is an amenable number.

12730355132 is a deficient number, since it is larger than the sum of its proper divisors (11604718708).

12730355132 is a wasteful number, since it uses less digits than its factorization.

12730355132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377021 (or 377019 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

Adding to 12730355132 its reverse (23155303721), we get a palindrome (35885658853).

The spelling of 12730355132 in words is "twelve billion, seven hundred thirty million, three hundred fifty-five thousand, one hundred thirty-two".