1320203123132 has 12 divisors (see below), whose sum is σ = 2312161850880. Its totient is φ = 659585451456.

The previous prime is 1320203123053. The next prime is 1320203123143. The reversal of 1320203123132 is 2313213020231.

It is a junction number, because it is equal to n+sod(n) for n = 1320203123098 and 1320203123107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129021773 + ... + 129032004.

It is an arithmetic number, because the mean of its divisors is an integer number (192680154240).

Almost surely, 2^{1320203123132} is an apocalyptic number.

It is an amenable number.

1320203123132 is a deficient number, since it is larger than the sum of its proper divisors (991958727748).

1320203123132 is a wasteful number, since it uses less digits than its factorization.

1320203123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258055060 (or 258055058 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1320203123132 its reverse (2313213020231), we get a palindrome (3633416143363).

The spelling of 1320203123132 in words is "one trillion, three hundred twenty billion, two hundred three million, one hundred twenty-three thousand, one hundred thirty-two".