1213100301 has 12 divisors (see below), whose sum is σ = 1881543552. Its totient is φ = 693200088.

The previous prime is 1213100269. The next prime is 1213100303. The reversal of 1213100301 is 1030013121.

It is not a de Polignac number, because 1213100301 - 2⁵ = 1213100269 is a prime.

It is a super-2 number, since 2×1213100301² = 2943224680572581202, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213100303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4126045 + ... + 4126338.

It is an arithmetic number, because the mean of its divisors is an integer number (156795296).

Almost surely, 2^1213100301 is an apocalyptic number.

It is an amenable number.

1213100301 is a deficient number, since it is larger than the sum of its proper divisors (668443251).

1213100301 is an equidigital number, since it uses as much as digits as its factorization.

1213100301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252400 (or 8252393 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1213100301 is about 34829.5894463314. The cubic root of 1213100301 is about 1066.5115673685.

Adding to 1213100301 its reverse (1030013121), we get a palindrome (2243113422).

The spelling of 1213100301 in words is "one billion, two hundred thirteen million, one hundred thousand, three hundred one".