1255122412 has 24 divisors (see below), whose sum is σ = 2220099840. Its totient is φ = 620825040.

The previous prime is 1255122383. The next prime is 1255122413. The reversal of 1255122412 is 2142215521.

It is not an unprimeable number, because it can be changed into a prime (1255122413) 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, 391737 + ... + 394927.

It is an arithmetic number, because the mean of its divisors is an integer number (92504160).

Almost surely, 2^1255122412 is an apocalyptic number.

It is an amenable number.

1255122412 is a deficient number, since it is larger than the sum of its proper divisors (964977428).

1255122412 is a wasteful number, since it uses less digits than its factorization.

1255122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221 (or 4219 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 1255122412 is about 35427.7068408329. The cubic root of 1255122412 is about 1078.6867932229.

Adding to 1255122412 its reverse (2142215521), we get a palindrome (3397337933).

The spelling of 1255122412 in words is "one billion, two hundred fifty-five million, one hundred twenty-two thousand, four hundred twelve".