201211332 has 24 divisors (see below), whose sum is σ = 536563776. Its totient is φ = 57488928.

The previous prime is 201211331. The next prime is 201211333. The reversal of 201211332 is 233112102.

It is an interprime number because it is at equal distance from previous prime (201211331) and next prime (201211333).

It is not an unprimeable number, because it can be changed into a prime (201211331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197603 + ... + 1197770.

It is an arithmetic number, because the mean of its divisors is an integer number (22356824).

Almost surely, 2^201211332 is an apocalyptic number.

It is an amenable number.

201211332 is an abundant number, since it is smaller than the sum of its proper divisors (335352444).

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

201211332 is a wasteful number, since it uses less digits than its factorization.

201211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395387 (or 2395385 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201211332 is about 14184.8980257174. The cubic root of 201211332 is about 585.9818241129.

Adding to 201211332 its reverse (233112102), we get a palindrome (434323434).

The spelling of 201211332 in words is "two hundred one million, two hundred eleven thousand, three hundred thirty-two".