1213320111032 has 8 divisors (see below), whose sum is σ = 2274975208200. Its totient is φ = 606660055512.

The previous prime is 1213320111019. The next prime is 1213320111037. The reversal of 1213320111032 is 2301110233121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1213320110995 and 1213320111013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213320111037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75832506932 + ... + 75832506947.

It is an arithmetic number, because the mean of its divisors is an integer number (284371901025).

Almost surely, 2^{1213320111032} is an apocalyptic number.

It is an amenable number.

1213320111032 is a deficient number, since it is larger than the sum of its proper divisors (1061655097168).

1213320111032 is a wasteful number, since it uses less digits than its factorization.

1213320111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151665013885 (or 151665013881 counting only the distinct ones).

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

Adding to 1213320111032 its reverse (2301110233121), we get a palindrome (3514430344153).

The spelling of 1213320111032 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, one hundred eleven thousand, thirty-two".