12617210230387 has 16 divisors (see below), whose sum is σ = 14757370629120. Its totient is φ = 10564403332032.

The previous prime is 12617210230381. The next prime is 12617210230393. The reversal of 12617210230387 is 78303201271621.

It is an interprime number because it is at equal distance from previous prime (12617210230381) and next prime (12617210230393).

It is a cyclic number.

It is not a de Polignac number, because 12617210230387 - 2⁷ = 12617210230259 is a prime.

It is a super-4 number, since 4×12617210230387⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12617210230381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121950363 + ... + 122053780.

It is an arithmetic number, because the mean of its divisors is an integer number (922335664320).

Almost surely, 2^{12617210230387} is an apocalyptic number.

12617210230387 is a deficient number, since it is larger than the sum of its proper divisors (2140160398733).

12617210230387 is an equidigital number, since it uses as much as digits as its factorization.

12617210230387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244004322.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 12617210230387 in words is "twelve trillion, six hundred seventeen billion, two hundred ten million, two hundred thirty thousand, three hundred eighty-seven".