1212650255 has 4 divisors (see below), whose sum is σ = 1455180312. Its totient is φ = 970120200.

The previous prime is 1212650249. The next prime is 1212650261. The reversal of 1212650255 is 5520562121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5520562121 = 2081 ⋅2652841.

It is an interprime number because it is at equal distance from previous prime (1212650249) and next prime (1212650261).

It is not a de Polignac number, because 1212650255 - 2⁶ = 1212650191 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 121265021 + ... + 121265030.

It is an arithmetic number, because the mean of its divisors is an integer number (363795078).

Almost surely, 2^1212650255 is an apocalyptic number.

1212650255 is a deficient number, since it is larger than the sum of its proper divisors (242530057).

1212650255 is an equidigital number, since it uses as much as digits as its factorization.

1212650255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242530056.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1212650255 is about 34823.1281621855. The cubic root of 1212650255 is about 1066.3796632898.

The spelling of 1212650255 in words is "one billion, two hundred twelve million, six hundred fifty thousand, two hundred fifty-five".