1211133001232 has 40 divisors (see below), whose sum is σ = 2925594005952. Its totient is φ = 471870000000.

The previous prime is 1211133001139. The next prime is 1211133001261. The reversal of 1211133001232 is 2321003311121.

It is a happy number.

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, 491530019 + ... + 491532482.

Almost surely, 2^{1211133001232} is an apocalyptic number.

It is an amenable number.

1211133001232 is an abundant number, since it is smaller than the sum of its proper divisors (1714461004720).

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

1211133001232 is a wasteful number, since it uses less digits than its factorization.

1211133001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983062527 (or 983062521 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1211133001232 its reverse (2321003311121), we get a palindrome (3532136312353).

The spelling of 1211133001232 in words is "one trillion, two hundred eleven billion, one hundred thirty-three million, one thousand, two hundred thirty-two".