305032212130 has 16 divisors (see below), whose sum is σ = 549085340664. Its totient is φ = 122006805120.

The previous prime is 305032212113. The next prime is 305032212143. The reversal of 305032212130 is 31212230503.

It can be written as a sum of positive squares in 4 ways, for example, as 298726740481 + 6305471649 = 546559^2 + 79407^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546387 + ... + 953206.

Almost surely, 2^305032212130 is an apocalyptic number.

305032212130 is a deficient number, since it is larger than the sum of its proper divisors (244053128534).

305032212130 is a wasteful number, since it uses less digits than its factorization.

305032212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519941.

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

Adding to 305032212130 its reverse (31212230503), we get a palindrome (336244442633).

The spelling of 305032212130 in words is "three hundred five billion, thirty-two million, two hundred twelve thousand, one hundred thirty".