307422012 has 12 divisors (see below), whose sum is σ = 717318056. Its totient is φ = 102474000.

The previous prime is 307421969. The next prime is 307422019. The reversal of 307422012 is 210224703.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 307422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307422019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12809239 + ... + 12809262.

Almost surely, 2^307422012 is an apocalyptic number.

It is an amenable number.

307422012 is an abundant number, since it is smaller than the sum of its proper divisors (409896044).

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

307422012 is a wasteful number, since it uses less digits than its factorization.

307422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25618508 (or 25618506 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 307422012 is about 17533.4540806996. The cubic root of 307422012 is about 674.9086383892.

Adding to 307422012 its reverse (210224703), we get a palindrome (517646715).

The spelling of 307422012 in words is "three hundred seven million, four hundred twenty-two thousand, twelve".