12156706001 has 8 divisors (see below), whose sum is σ = 14041970784. Its totient is φ = 10401459520.

The previous prime is 12156705973. The next prime is 12156706033. The reversal of 12156706001 is 10060765121.

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

It is a de Polignac number, because none of the positive numbers 2^k-12156706001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12156706091) 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, 32504375 + ... + 32504748.

It is an arithmetic number, because the mean of its divisors is an integer number (1755246348).

Almost surely, 2^12156706001 is an apocalyptic number.

12156706001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12156706001 is a deficient number, since it is larger than the sum of its proper divisors (1885264783).

12156706001 is a wasteful number, since it uses less digits than its factorization.

12156706001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65009151.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 12156706001 in words is "twelve billion, one hundred fifty-six million, seven hundred six thousand, one".