12689723012060 has 24 divisors (see below), whose sum is σ = 26649440004096. Its totient is φ = 5075694599360.

The previous prime is 12689723012053. The next prime is 12689723012069. The reversal of 12689723012060 is 6021032798621.

It is a super-2 number, since 2×12689723012060² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12689723011996 and 12689723012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12689723012069) 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, 11627567 + ... + 12672006.

It is an arithmetic number, because the mean of its divisors is an integer number (1110393333504).

Almost surely, 2^{12689723012060} is an apocalyptic number.

12689723012060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12689723012060 is an abundant number, since it is smaller than the sum of its proper divisors (13959716992036).

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

12689723012060 is a wasteful number, since it uses less digits than its factorization.

12689723012060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24325693 (or 24325691 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 12689723012060 in words is "twelve trillion, six hundred eighty-nine billion, seven hundred twenty-three million, twelve thousand, sixty".