1212541255 has 16 divisors (see below), whose sum is σ = 1519294464. Its totient is φ = 927257760.

The previous prime is 1212541241. The next prime is 1212541271. The reversal of 1212541255 is 5521452121.

It is a de Polignac number, because none of the positive numbers 2^k-1212541255 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 15 ways as a sum of consecutive naturals, for example, 270442 + ... + 274888.

It is an arithmetic number, because the mean of its divisors is an integer number (94955904).

Almost surely, 2^1212541255 is an apocalyptic number.

1212541255 is a deficient number, since it is larger than the sum of its proper divisors (306753209).

1212541255 is a wasteful number, since it uses less digits than its factorization.

1212541255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846.

The product of its digits is 4000, while the sum is 28.

The square root of 1212541255 is about 34821.5630751981. The cubic root of 1212541255 is about 1066.3477115473.

Adding to 1212541255 its reverse (5521452121), we get a palindrome (6733993376).

The spelling of 1212541255 in words is "one billion, two hundred twelve million, five hundred forty-one thousand, two hundred fifty-five".