2000012303221 has 4 divisors (see below), whose sum is σ = 2000168799244. Its totient is φ = 1999855807200.

The previous prime is 2000012303213. The next prime is 2000012303269. The reversal of 2000012303221 is 1223032100002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1827866144196 + 172146159025 = 1351986^2 + 414905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000012303221 - 2³ = 2000012303213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000012303195 and 2000012303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000012303921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78228840 + ... + 78254401.

It is an arithmetic number, because the mean of its divisors is an integer number (500042199811).

Almost surely, 2^{2000012303221} is an apocalyptic number.

It is an amenable number.

2000012303221 is a deficient number, since it is larger than the sum of its proper divisors (156496023).

2000012303221 is a wasteful number, since it uses less digits than its factorization.

2000012303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156496022.

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

Adding to 2000012303221 its reverse (1223032100002), we get a palindrome (3223044403223).

The spelling of 2000012303221 in words is "two trillion, twelve million, three hundred three thousand, two hundred twenty-one".