1330423505252 has 12 divisors (see below), whose sum is σ = 2360134848876. Its totient is φ = 656099262720.

The previous prime is 1330423505227. The next prime is 1330423505321. The reversal of 1330423505252 is 2525053240331.

It can be written as a sum of positive squares in 2 ways, for example, as 1078162415716 + 252261089536 = 1038346^2 + 502256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278122149 + ... + 2278122732.

It is an arithmetic number, because the mean of its divisors is an integer number (196677904073).

Almost surely, 2^{1330423505252} is an apocalyptic number.

It is an amenable number.

1330423505252 is a deficient number, since it is larger than the sum of its proper divisors (1029711343624).

1330423505252 is a wasteful number, since it uses less digits than its factorization.

1330423505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556244958 (or 4556244956 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 1330423505252 its reverse (2525053240331), we get a palindrome (3855476745583).

The spelling of 1330423505252 in words is "one trillion, three hundred thirty billion, four hundred twenty-three million, five hundred five thousand, two hundred fifty-two".