30212381588 has 12 divisors (see below), whose sum is σ = 52874732820. Its totient is φ = 15105315072.

The previous prime is 30212381519. The next prime is 30212381597. The reversal of 30212381588 is 88518321203.

It can be written as a sum of positive squares in 2 ways, for example, as 23988433924 + 6223947664 = 154882^2 + 78892^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137981 + ... + 281892.

It is an arithmetic number, because the mean of its divisors is an integer number (4406227735).

Almost surely, 2^30212381588 is an apocalyptic number.

It is an amenable number.

30212381588 is a deficient number, since it is larger than the sum of its proper divisors (22662351232).

30212381588 is a wasteful number, since it uses less digits than its factorization.

30212381588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437866 (or 437864 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 30212381588 in words is "thirty billion, two hundred twelve million, three hundred eighty-one thousand, five hundred eighty-eight".