38230021012 has 24 divisors (see below), whose sum is σ = 67542237504. Its totient is φ = 18932315712.

The previous prime is 38230021009. The next prime is 38230021013. The reversal of 38230021012 is 21012003283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38230021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490008 + ... + 3500944.

It is an arithmetic number, because the mean of its divisors is an integer number (2814259896).

Almost surely, 2^38230021012 is an apocalyptic number.

It is an amenable number.

38230021012 is a deficient number, since it is larger than the sum of its proper divisors (29312216492).

38230021012 is a wasteful number, since it uses less digits than its factorization.

38230021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19215 (or 19213 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 38230021012 its reverse (21012003283), we get a palindrome (59242024295).

The spelling of 38230021012 in words is "thirty-eight billion, two hundred thirty million, twenty-one thousand, twelve".