1263430212 has 36 divisors (see below), whose sum is σ = 3240371568. Its totient is φ = 382857200.

The previous prime is 1263430193. The next prime is 1263430219. The reversal of 1263430212 is 2120343621.

It is not an unprimeable number, because it can be changed into a prime (1263430219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433614 + ... + 436517.

Almost surely, 2^1263430212 is an apocalyptic number.

1263430212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263430212 is an abundant number, since it is smaller than the sum of its proper divisors (1976941356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263430212 is a wasteful number, since it uses less digits than its factorization.

1263430212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870160 (or 870147 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1263430212 is about 35544.7634961889. The cubic root of 1263430212 is about 1081.0615454152.

Adding to 1263430212 its reverse (2120343621), we get a palindrome (3383773833).

The spelling of 1263430212 in words is "one billion, two hundred sixty-three million, four hundred thirty thousand, two hundred twelve".