1212465255 has 8 divisors (see below), whose sum is σ = 1939944432. Its totient is φ = 646648128.

The previous prime is 1212465227. The next prime is 1212465277. The reversal of 1212465255 is 5525642121.

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

It is not a de Polignac number, because 1212465255 - 2¹³ = 1212457063 is a prime.

It is a super-4 number, since 4×1212465255⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40415494 + ... + 40415523.

It is an arithmetic number, because the mean of its divisors is an integer number (242493054).

Almost surely, 2^1212465255 is an apocalyptic number.

1212465255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1212465255 is a deficient number, since it is larger than the sum of its proper divisors (727479177).

1212465255 is an equidigital number, since it uses as much as digits as its factorization.

1212465255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80831025.

The product of its digits is 24000, while the sum is 33.

The square root of 1212465255 is about 34820.4717802617. The cubic root of 1212465255 is about 1066.3254321351.

The spelling of 1212465255 in words is "one billion, two hundred twelve million, four hundred sixty-five thousand, two hundred fifty-five".