20003212001 has 16 divisors (see below), whose sum is σ = 20394581760. Its totient is φ = 19614840960.

The previous prime is 20003211997. The next prime is 20003212007. The reversal of 20003212001 is 10021230002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20003212001 - 2² = 20003211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003212007) 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, 25097735 + ... + 25098531.

It is an arithmetic number, because the mean of its divisors is an integer number (1274661360).

Almost surely, 2^20003212001 is an apocalyptic number.

It is an amenable number.

20003212001 is a deficient number, since it is larger than the sum of its proper divisors (391369759).

20003212001 is an equidigital number, since it uses as much as digits as its factorization.

20003212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20003212001 its reverse (10021230002), we get a palindrome (30024442003).

The spelling of 20003212001 in words is "twenty billion, three million, two hundred twelve thousand, one".