1232401632066 has 96 divisors (see below), whose sum is σ = 2996108751168. Its totient is φ = 362823477120.

The previous prime is 1232401632043. The next prime is 1232401632073. The reversal of 1232401632066 is 6602361042321.

1232401632066 is a `hidden beast` number, since 1 + 2 + 324 + 0 + 1 + 6 + 320 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1232401632066.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4835461 + ... + 5083943.

It is an arithmetic number, because the mean of its divisors is an integer number (31209466158).

Almost surely, 2^{1232401632066} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232401632066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498054375584).

1232401632066 is an abundant number, since it is smaller than the sum of its proper divisors (1763707119102).

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

1232401632066 is a wasteful number, since it uses less digits than its factorization.

1232401632066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249216 (or 249213 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 1232401632066 its reverse (6602361042321), we get a palindrome (7834762674387).

The spelling of 1232401632066 in words is "one trillion, two hundred thirty-two billion, four hundred one million, six hundred thirty-two thousand, sixty-six".