1325203122213 has 24 divisors (see below), whose sum is σ = 1990078269088. Its totient is φ = 881243321904.

The previous prime is 1325203122209. The next prime is 1325203122227. The reversal of 1325203122213 is 3122213025231.

1325203122213 is a `hidden beast` number, since 1 + 3 + 2 + 520 + 3 + 122 + 2 + 13 = 666.

It is not a de Polignac number, because 1325203122213 - 2² = 1325203122209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325203122913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6771931 + ... + 6964872.

Almost surely, 2^{1325203122213} is an apocalyptic number.

It is an amenable number.

1325203122213 is a deficient number, since it is larger than the sum of its proper divisors (664875146875).

1325203122213 is an equidigital number, since it uses as much as digits as its factorization.

1325203122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737215 (or 13737203 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1325203122213 its reverse (3122213025231), we get a palindrome (4447416147444).

The spelling of 1325203122213 in words is "one trillion, three hundred twenty-five billion, two hundred three million, one hundred twenty-two thousand, two hundred thirteen".