1213300355 has 4 divisors (see below), whose sum is σ = 1455960432. Its totient is φ = 970640280.

The previous prime is 1213300349. The next prime is 1213300397. The reversal of 1213300355 is 5530033121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5530033121 = 8669 ⋅637909.

It is not a de Polignac number, because 1213300355 - 2¹⁰ = 1213299331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213300355.

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, 121330031 + ... + 121330040.

It is an arithmetic number, because the mean of its divisors is an integer number (363990108).

Almost surely, 2^1213300355 is an apocalyptic number.

1213300355 is a deficient number, since it is larger than the sum of its proper divisors (242660077).

1213300355 is an equidigital number, since it uses as much as digits as its factorization.

1213300355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242660076.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1213300355 is about 34832.4612251273. The cubic root of 1213300355 is about 1066.5701907644.

Adding to 1213300355 its reverse (5530033121), we get a palindrome (6743333476).

The spelling of 1213300355 in words is "one billion, two hundred thirteen million, three hundred thousand, three hundred fifty-five".