1201320223232 has 40 divisors (see below), whose sum is σ = 2401062483996. Its totient is φ = 600467832832.

The previous prime is 1201320223183. The next prime is 1201320223237. The reversal of 1201320223232 is 2323220231021.

It can be written as a sum of positive squares in 2 ways, for example, as 1179882578176 + 21437645056 = 1086224^2 + 146416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201320223198 and 1201320223207.

It is not an unprimeable number, because it can be changed into a prime (1201320223237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232168 + ... + 1980120.

Almost surely, 2^{1201320223232} is an apocalyptic number.

It is an amenable number.

1201320223232 is a deficient number, since it is larger than the sum of its proper divisors (1199742260764).

1201320223232 is an frugal number, since it uses more digits than its factorization.

1201320223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751108 (or 751092 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1201320223232 its reverse (2323220231021), we get a palindrome (3524540454253).

The spelling of 1201320223232 in words is "one trillion, two hundred one billion, three hundred twenty million, two hundred twenty-three thousand, two hundred thirty-two".