20120312001 has 8 divisors (see below), whose sum is σ = 26827747264. Its totient is φ = 13413209040.

The previous prime is 20120311943. The next prime is 20120312021. The reversal of 20120312001 is 10021302102.

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

It is not a de Polignac number, because 20120312001 - 2⁹ = 20120311489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20120312021) 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, 158871 + ... + 255891.

It is an arithmetic number, because the mean of its divisors is an integer number (3353468408).

Almost surely, 2^20120312001 is an apocalyptic number.

It is an amenable number.

20120312001 is a deficient number, since it is larger than the sum of its proper divisors (6707435263).

20120312001 is an equidigital number, since it uses as much as digits as its factorization.

20120312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166151.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20120312001 its reverse (10021302102), we get a palindrome (30141614103).

The spelling of 20120312001 in words is "twenty billion, one hundred twenty million, three hundred twelve thousand, one".