12651578817230 has 16 divisors (see below), whose sum is σ = 23146167148704. Its totient is φ = 4977670354080.

The previous prime is 12651578817113. The next prime is 12651578817239. The reversal of 12651578817230 is 3271887515621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651578817239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10370145962 + ... + 10370147181.

It is an arithmetic number, because the mean of its divisors is an integer number (1446635446794).

Almost surely, 2^{12651578817230} is an apocalyptic number.

12651578817230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12651578817230 is a deficient number, since it is larger than the sum of its proper divisors (10494588331474).

12651578817230 is a wasteful number, since it uses less digits than its factorization.

12651578817230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740293211.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 12651578817230 in words is "twelve trillion, six hundred fifty-one billion, five hundred seventy-eight million, eight hundred seventeen thousand, two hundred thirty".