102123232012 has 24 divisors (see below), whose sum is σ = 192496673600. Its totient is φ = 47249180496.

The previous prime is 102123232007. The next prime is 102123232019. The reversal of 102123232012 is 210232321201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (102123232019) 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, 15621462 + ... + 15627997.

Almost surely, 2^102123232012 is an apocalyptic number.

It is an amenable number.

102123232012 is a deficient number, since it is larger than the sum of its proper divisors (90373441588).

102123232012 is a wasteful number, since it uses less digits than its factorization.

102123232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31249525 (or 31249523 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102123232012 its reverse (210232321201), we get a palindrome (312355553213).

The spelling of 102123232012 in words is "one hundred two billion, one hundred twenty-three million, two hundred thirty-two thousand, twelve".