12601085987 has 8 divisors (see below), whose sum is σ = 14416455936. Its totient is φ = 10789519752.

The previous prime is 12601085983. The next prime is 12601085989. The reversal of 12601085987 is 78958010621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12601085987 - 2² = 12601085983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12601085983) 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, 943823 + ... + 957080.

It is an arithmetic number, because the mean of its divisors is an integer number (1802056992).

Almost surely, 2^12601085987 is an apocalyptic number.

12601085987 is a deficient number, since it is larger than the sum of its proper divisors (1815369949).

12601085987 is an equidigital number, since it uses as much as digits as its factorization.

12601085987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901857.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 12601085987 in words is "twelve billion, six hundred one million, eighty-five thousand, nine hundred eighty-seven".