12001986235 has 8 divisors (see below), whose sum is σ = 14405234256. Its totient is φ = 9599688480.

The previous prime is 12001986209. The next prime is 12001986251. The reversal of 12001986235 is 53268910021.

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

It is not a de Polignac number, because 12001986235 - 2⁵ = 12001986203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001986194 and 12001986203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209476 + ... + 260545.

It is an arithmetic number, because the mean of its divisors is an integer number (1800654282).

Almost surely, 2^12001986235 is an apocalyptic number.

12001986235 is a deficient number, since it is larger than the sum of its proper divisors (2403248021).

12001986235 is an equidigital number, since it uses as much as digits as its factorization.

12001986235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475133.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 12001986235 in words is "twelve billion, one million, nine hundred eighty-six thousand, two hundred thirty-five".