1201323043413 has 12 divisors (see below), whose sum is σ = 1741419646668. Its totient is φ = 798031913280.

The previous prime is 1201323043411. The next prime is 1201323043421. The reversal of 1201323043413 is 3143403231021.

It is a happy number.

1201323043413 is a `hidden beast` number, since 1 + 2 + 0 + 13 + 2 + 304 + 341 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 331986849489 + 869336193924 = 576183^2 + 932382^2 .

It is not a de Polignac number, because 1201323043413 - 2¹ = 1201323043411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201323043411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 237506970 + ... + 237512027.

It is an arithmetic number, because the mean of its divisors is an integer number (145118303889).

Almost surely, 2^{1201323043413} is an apocalyptic number.

It is an amenable number.

1201323043413 is a deficient number, since it is larger than the sum of its proper divisors (540096603255).

1201323043413 is a wasteful number, since it uses less digits than its factorization.

1201323043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475019284 (or 475019281 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1201323043413 its reverse (3143403231021), we get a palindrome (4344726274434).

The spelling of 1201323043413 in words is "one trillion, two hundred one billion, three hundred twenty-three million, forty-three thousand, four hundred thirteen".