306211303152112 has 20 divisors (see below), whose sum is σ = 593284870291176. Its totient is φ = 153105530173760.

The previous prime is 306211303152091. The next prime is 306211303152121. The reversal of 306211303152112 is 211251303112603.

It is a super-2 number, since 2×306211303152112² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15316287 + ... + 29103457.

Almost surely, 2^{306211303152112} is an apocalyptic number.

It is an amenable number.

306211303152112 is a deficient number, since it is larger than the sum of its proper divisors (287073567139064).

306211303152112 is a wasteful number, since it uses less digits than its factorization.

306211303152112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175296 (or 15175290 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 306211303152112 its reverse (211251303112603), we get a palindrome (517462606264715).

The spelling of 306211303152112 in words is "three hundred six trillion, two hundred eleven billion, three hundred three million, one hundred fifty-two thousand, one hundred twelve".