38282720012 has 24 divisors (see below), whose sum is σ = 69483681792. Its totient is φ = 18436093200.

The previous prime is 38282720011. The next prime is 38282720041. The reversal of 38282720012 is 21002728283.

It is a happy number.

It is a super-3 number, since 3×38282720012³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38282720011) 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 7 ways as a sum of consecutive naturals, for example, 705428 + ... + 757755.

It is an arithmetic number, because the mean of its divisors is an integer number (2895153408).

Almost surely, 2^38282720012 is an apocalyptic number.

It is an amenable number.

38282720012 is a deficient number, since it is larger than the sum of its proper divisors (31200961780).

38282720012 is a wasteful number, since it uses less digits than its factorization.

38282720012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463429 (or 1463427 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 38282720012 in words is "thirty-eight billion, two hundred eighty-two million, seven hundred twenty thousand, twelve".