306221555130002 has 32 divisors (see below), whose sum is σ = 487413850049280. Its totient is φ = 143789612903680.

The previous prime is 306221555129909. The next prime is 306221555130013. The reversal of 306221555130002 is 200031555122603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155401773 + ... + 2155543839.

It is an arithmetic number, because the mean of its divisors is an integer number (15231682814040).

Almost surely, 2^{306221555130002} is an apocalyptic number.

306221555130002 is a deficient number, since it is larger than the sum of its proper divisors (181192294919278).

306221555130002 is a wasteful number, since it uses less digits than its factorization.

306221555130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280066.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 306221555130002 in words is "three hundred six trillion, two hundred twenty-one billion, five hundred fifty-five million, one hundred thirty thousand, two".