12420260123651 has 16 divisors (see below), whose sum is σ = 12483838260000. Its totient is φ = 12356895641088.

The previous prime is 12420260123641. The next prime is 12420260123659. The reversal of 12420260123651 is 15632106202421.

It is a cyclic number.

It is not a de Polignac number, because 12420260123651 - 2³⁰ = 12419186381827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420260123659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214821035 + ... + 214878843.

It is an arithmetic number, because the mean of its divisors is an integer number (780239891250).

Almost surely, 2^{12420260123651} is an apocalyptic number.

12420260123651 is a deficient number, since it is larger than the sum of its proper divisors (63578136349).

12420260123651 is an equidigital number, since it uses as much as digits as its factorization.

12420260123651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59638.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12420260123651 in words is "twelve trillion, four hundred twenty billion, two hundred sixty million, one hundred twenty-three thousand, six hundred fifty-one".