307442012 has 12 divisors (see below), whose sum is σ = 561416016. Its totient is φ = 147037440.

The previous prime is 307441949. The next prime is 307442017. The reversal of 307442012 is 210244703.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307442017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670789 + ... + 1670972.

It is an arithmetic number, because the mean of its divisors is an integer number (46784668).

Almost surely, 2^307442012 is an apocalyptic number.

It is an amenable number.

307442012 is a deficient number, since it is larger than the sum of its proper divisors (253974004).

307442012 is a wasteful number, since it uses less digits than its factorization.

307442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341788 (or 3341786 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 307442012 is about 17534.0244097013. The cubic root of 307442012 is about 674.9232739493.

Adding to 307442012 its reverse (210244703), we get a palindrome (517686715).

The spelling of 307442012 in words is "three hundred seven million, four hundred forty-two thousand, twelve".