201211223132 has 48 divisors (see below), whose sum is σ = 362118435840. Its totient is φ = 97796682048.

The previous prime is 201211223123. The next prime is 201211223167. The reversal of 201211223132 is 231322112102.

It is a congruent number.

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, 7671713 + ... + 7697895.

It is an arithmetic number, because the mean of its divisors is an integer number (7544134080).

Almost surely, 2^201211223132 is an apocalyptic number.

It is an amenable number.

201211223132 is a deficient number, since it is larger than the sum of its proper divisors (160907212708).

201211223132 is a wasteful number, since it uses less digits than its factorization.

201211223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26642 (or 26640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201211223132 its reverse (231322112102), we get a palindrome (432533335234).

The spelling of 201211223132 in words is "two hundred one billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-two".