1213000255 has 8 divisors (see below), whose sum is σ = 1505793600. Its totient is φ = 936938016.

The previous prime is 1213000231. The next prime is 1213000259. The reversal of 1213000255 is 5520003121.

1213000255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1213000255 - 2⁷ = 1213000127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213000259) 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, 4182615 + ... + 4182904.

It is an arithmetic number, because the mean of its divisors is an integer number (188224200).

Almost surely, 2^1213000255 is an apocalyptic number.

1213000255 is a deficient number, since it is larger than the sum of its proper divisors (292793345).

1213000255 is an equidigital number, since it uses as much as digits as its factorization.

1213000255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365553.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1213000255 is about 34828.1531953677. The cubic root of 1213000255 is about 1066.4822476853.

Adding to 1213000255 its reverse (5520003121), we get a palindrome (6733003376).

The spelling of 1213000255 in words is "one billion, two hundred thirteen million, two hundred fifty-five", and thus it is an aban number.