201212201211 has 16 divisors (see below), whose sum is σ = 308149824000. Its totient is φ = 114400617408.

The previous prime is 201212201153. The next prime is 201212201249. The reversal of 201212201211 is 112102212102.

It is not a de Polignac number, because 201212201211 - 2¹⁰ = 201212200187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201212202211) 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, 24070026 + ... + 24078383.

It is an arithmetic number, because the mean of its divisors is an integer number (19259364000).

Almost surely, 2^201212201211 is an apocalyptic number.

201212201211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201212201211 is a deficient number, since it is larger than the sum of its proper divisors (106937622789).

201212201211 is a wasteful number, since it uses less digits than its factorization.

201212201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48148618.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201212201211 its reverse (112102212102), we get a palindrome (313314413313).

The spelling of 201212201211 in words is "two hundred one billion, two hundred twelve million, two hundred one thousand, two hundred eleven".