1202313213545 has 8 divisors (see below), whose sum is σ = 1442814970824. Its totient is φ = 961824494464.

The previous prime is 1202313213499. The next prime is 1202313213547. The reversal of 1202313213545 is 5453123132021.

It can be written as a sum of positive squares in 4 ways, for example, as 66826903081 + 1135486310464 = 258509^2 + 1065592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202313213545 - 2¹⁰ = 1202313212521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202313213547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055514 + ... + 3426483.

It is an arithmetic number, because the mean of its divisors is an integer number (180351871353).

Almost surely, 2^{1202313213545} is an apocalyptic number.

It is an amenable number.

1202313213545 is a deficient number, since it is larger than the sum of its proper divisors (240501757279).

1202313213545 is an equidigital number, since it uses as much as digits as its factorization.

1202313213545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519099.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1202313213545 its reverse (5453123132021), we get a palindrome (6655436345566).

The spelling of 1202313213545 in words is "one trillion, two hundred two billion, three hundred thirteen million, two hundred thirteen thousand, five hundred forty-five".