30525523412 has 12 divisors (see below), whose sum is σ = 53421484116. Its totient is φ = 15262242240.

The previous prime is 30525523411. The next prime is 30525523423. The reversal of 30525523412 is 21432552503.

It can be written as a sum of positive squares in 2 ways, for example, as 7075501456 + 23450021956 = 84116^2 + 153134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525523411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22112 + ... + 248072.

It is an arithmetic number, because the mean of its divisors is an integer number (4451790343).

Almost surely, 2^30525523412 is an apocalyptic number.

It is an amenable number.

30525523412 is a deficient number, since it is larger than the sum of its proper divisors (22895960704).

30525523412 is a wasteful number, since it uses less digits than its factorization.

30525523412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259738 (or 259736 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 30525523412 in words is "thirty billion, five hundred twenty-five million, five hundred twenty-three thousand, four hundred twelve".