1211132032 has 64 divisors (see below), whose sum is σ = 2643179040. Its totient is φ = 548208640.

The previous prime is 1211132011. The next prime is 1211132059. The reversal of 1211132032 is 2302311121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1211131997 and 1211132015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360183 + ... + 363529.

Almost surely, 2^1211132032 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 1211132032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321589520).

1211132032 is an abundant number, since it is smaller than the sum of its proper divisors (1432047008).

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

1211132032 is a wasteful number, since it uses less digits than its factorization.

1211132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1211132032 is about 34801.3222737298. The cubic root of 1211132032 is about 1065.9344460883.

Adding to 1211132032 its reverse (2302311121), we get a palindrome (3513443153).

Subtracting 1211132032 from its reverse (2302311121), we obtain a square (1091179089 = 33033²).

The spelling of 1211132032 in words is "one billion, two hundred eleven million, one hundred thirty-two thousand, thirty-two".