1201324331232 has 72 divisors (see below), whose sum is σ = 3440843635320. Its totient is φ = 397560556800.

The previous prime is 1201324331219. The next prime is 1201324331269. The reversal of 1201324331232 is 2321334231021.

1201324331232 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 324 + 331 + 2 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 1201324331196 and 1201324331205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14964519 + ... + 15044582.

It is an arithmetic number, because the mean of its divisors is an integer number (47789494935).

Almost surely, 2^{1201324331232} is an apocalyptic number.

1201324331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201324331232 is an abundant number, since it is smaller than the sum of its proper divisors (2239519304088).

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

1201324331232 is a wasteful number, since it uses less digits than its factorization.

1201324331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30009256 (or 30009245 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1201324331232 its reverse (2321334231021), we get a palindrome (3522658562253).

The spelling of 1201324331232 in words is "one trillion, two hundred one billion, three hundred twenty-four million, three hundred thirty-one thousand, two hundred thirty-two".