305043013012 has 6 divisors (see below), whose sum is σ = 533825272778. Its totient is φ = 152521506504.

The previous prime is 305043013007. The next prime is 305043013013. The reversal of 305043013012 is 210310340503.

It can be written as a sum of positive squares in only one way, i.e., 232512982416 + 72530030596 = 482196^2 + 269314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305043013013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38130376623 + ... + 38130376630.

Almost surely, 2^305043013012 is an apocalyptic number.

It is an amenable number.

305043013012 is a deficient number, since it is larger than the sum of its proper divisors (228782259766).

305043013012 is a wasteful number, since it uses less digits than its factorization.

305043013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76260753257 (or 76260753255 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 305043013012 its reverse (210310340503), we get a palindrome (515353353515).

The spelling of 305043013012 in words is "three hundred five billion, forty-three million, thirteen thousand, twelve".