30128387474012 has 6 divisors (see below), whose sum is σ = 52724678079528. Its totient is φ = 15064193737004.

The previous prime is 30128387473907. The next prime is 30128387474021. The reversal of 30128387474012 is 21047478382103.

It is a super-2 number, since 2×30128387474012² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766048434248 + ... + 3766048434255.

It is an arithmetic number, because the mean of its divisors is an integer number (8787446346588).

Almost surely, 2^{30128387474012} is an apocalyptic number.

It is an amenable number.

30128387474012 is a deficient number, since it is larger than the sum of its proper divisors (22596290605516).

30128387474012 is a wasteful number, since it uses less digits than its factorization.

30128387474012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532096868507 (or 7532096868505 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 30128387474012 in words is "thirty trillion, one hundred twenty-eight billion, three hundred eighty-seven million, four hundred seventy-four thousand, twelve".