1213022300113 has 4 divisors (see below), whose sum is σ = 1306331707828. Its totient is φ = 1119712892400.

The previous prime is 1213022300111. The next prime is 1213022300117. The reversal of 1213022300113 is 3110032203121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 476503045264 + 736519254849 = 690292^2 + 858207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213022300113 - 2¹ = 1213022300111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213022300111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46654703838 + ... + 46654703863.

It is an arithmetic number, because the mean of its divisors is an integer number (326582926957).

Almost surely, 2^{1213022300113} is an apocalyptic number.

1213022300113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1213022300113 is a deficient number, since it is larger than the sum of its proper divisors (93309407715).

1213022300113 is an equidigital number, since it uses as much as digits as its factorization.

1213022300113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93309407714.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213022300113 its reverse (3110032203121), we get a palindrome (4323054503234).

The spelling of 1213022300113 in words is "one trillion, two hundred thirteen billion, twenty-two million, three hundred thousand, one hundred thirteen".