30388077912 has 64 divisors (see below), whose sum is σ = 79142313600. Its totient is φ = 9714786560.

The previous prime is 30388077893. The next prime is 30388077919. The reversal of 30388077912 is 21977088303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30388077919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203658 + ... + 319769.

It is an arithmetic number, because the mean of its divisors is an integer number (1236598650).

Almost surely, 2^30388077912 is an apocalyptic number.

It is an amenable number.

30388077912 is an abundant number, since it is smaller than the sum of its proper divisors (48754235688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30388077912 is a wasteful number, since it uses less digits than its factorization.

30388077912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523536 (or 523532 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 30388077912 in words is "thirty billion, three hundred eighty-eight million, seventy-seven thousand, nine hundred twelve".