1213303203232 has 96 divisors (see below), whose sum is σ = 2647807747200. Its totient is φ = 544690510848.

The previous prime is 1213303203193. The next prime is 1213303203323. The reversal of 1213303203232 is 2323023033121.

It is a junction number, because it is equal to n+sod(n) for n = 1213303203197 and 1213303203206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126258 + ... + 1922254.

It is an arithmetic number, because the mean of its divisors is an integer number (27581330700).

Almost surely, 2^{1213303203232} 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 1213303203232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323903873600).

1213303203232 is an abundant number, since it is smaller than the sum of its proper divisors (1434504543968).

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

1213303203232 is a wasteful number, since it uses less digits than its factorization.

1213303203232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796158 (or 796150 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1213303203232 its reverse (2323023033121), we get a palindrome (3536326236353).

The spelling of 1213303203232 in words is "one trillion, two hundred thirteen billion, three hundred three million, two hundred three thousand, two hundred thirty-two".