201212130211 has 4 divisors (see below), whose sum is σ = 205008585552. Its totient is φ = 197415674872.

The previous prime is 201212130173. The next prime is 201212130257. The reversal of 201212130211 is 112031212102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112031212102 = 2 ⋅56015606051.

It is a cyclic number.

It is not a de Polignac number, because 201212130211 - 2⁷ = 201212130083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212136211) 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, 1898227591 + ... + 1898227696.

It is an arithmetic number, because the mean of its divisors is an integer number (51252146388).

Almost surely, 2^201212130211 is an apocalyptic number.

201212130211 is a deficient number, since it is larger than the sum of its proper divisors (3796455341).

201212130211 is an equidigital number, since it uses as much as digits as its factorization.

201212130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796455340.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201212130211 its reverse (112031212102), we get a palindrome (313243342313).

The spelling of 201212130211 in words is "two hundred one billion, two hundred twelve million, one hundred thirty thousand, two hundred eleven".