1255430212 has 24 divisors (see below), whose sum is σ = 2336425560. Its totient is φ = 588203520.

The previous prime is 1255430201. The next prime is 1255430227. The reversal of 1255430212 is 2120345521.

It can be written as a sum of positive squares in 4 ways, for example, as 247621696 + 1007808516 = 15736^2 + 31746^2 .

It is a super-2 number, since 2×1255430212² = 3152210034404729888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24739 + ... + 55882.

It is an arithmetic number, because the mean of its divisors is an integer number (97351065).

Almost surely, 2^1255430212 is an apocalyptic number.

It is an amenable number.

1255430212 is a deficient number, since it is larger than the sum of its proper divisors (1080995348).

1255430212 is a wasteful number, since it uses less digits than its factorization.

1255430212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80871 (or 80869 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1255430212 is about 35432.0506321607. The cubic root of 1255430212 is about 1078.7749632836.

Adding to 1255430212 its reverse (2120345521), we get a palindrome (3375775733).

The spelling of 1255430212 in words is "one billion, two hundred fifty-five million, four hundred thirty thousand, two hundred twelve".