203212320001 has 16 divisors (see below), whose sum is σ = 216369356544. Its totient is φ = 190597889664.

The previous prime is 203212319969. The next prime is 203212320041. The reversal of 203212320001 is 100023212302.

It is a cyclic number.

It is not a de Polignac number, because 203212320001 - 2⁵ = 203212319969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203212320041) 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, 841476 + ... + 1055701.

It is an arithmetic number, because the mean of its divisors is an integer number (13523084784).

Almost surely, 2^203212320001 is an apocalyptic number.

It is an amenable number.

203212320001 is a deficient number, since it is larger than the sum of its proper divisors (13157036543).

203212320001 is a wasteful number, since it uses less digits than its factorization.

203212320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897320.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203212320001 its reverse (100023212302), we get a palindrome (303235532303).

The spelling of 203212320001 in words is "two hundred three billion, two hundred twelve million, three hundred twenty thousand, one".