201211211012 has 48 divisors (see below), whose sum is σ = 412087441920. Its totient is φ = 84172148352.

The previous prime is 201211210999. The next prime is 201211211021. The reversal of 201211211012 is 210112112102.

201211211012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285914 + ... + 695822.

It is an arithmetic number, because the mean of its divisors is an integer number (8585155040).

Almost surely, 2^201211211012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201211211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206043720960).

201211211012 is an abundant number, since it is smaller than the sum of its proper divisors (210876230908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211211012 is a wasteful number, since it uses less digits than its factorization.

201211211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410340 (or 410338 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201211211012 its reverse (210112112102), we get a palindrome (411323323114).

The spelling of 201211211012 in words is "two hundred one billion, two hundred eleven million, two hundred eleven thousand, twelve".