201211212030323 has 6 divisors (see below), whose sum is σ = 221166042975612. Its totient is φ = 182919283663820.

The previous prime is 201211212030317. The next prime is 201211212030379. The reversal of 201211212030323 is 323030212112102.

It is not a de Polignac number, because 201211212030323 - 2¹⁴ = 201211212013939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201211212030823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 831451289261 + ... + 831451289502.

It is an arithmetic number, because the mean of its divisors is an integer number (36861007162602).

Almost surely, 2^{201211212030323} is an apocalyptic number.

201211212030323 is a deficient number, since it is larger than the sum of its proper divisors (19954830945289).

201211212030323 is a wasteful number, since it uses less digits than its factorization.

201211212030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662902578785 (or 1662902578774 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201211212030323 its reverse (323030212112102), we get a palindrome (524241424142425).

The spelling of 201211212030323 in words is "two hundred one trillion, two hundred eleven billion, two hundred twelve million, thirty thousand, three hundred twenty-three".