102043012 has 24 divisors (see below), whose sum is σ = 180887616. Its totient is φ = 50365728.

The previous prime is 102043001. The next prime is 102043013. The reversal of 102043012 is 210340201.

It is a junction number, because it is equal to n+sod(n) for n = 102042983 and 102043001.

It is not an unprimeable number, because it can be changed into a prime (102043013) 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, 115123 + ... + 116005.

It is an arithmetic number, because the mean of its divisors is an integer number (7536984).

Almost surely, 2^102043012 is an apocalyptic number.

It is an amenable number.

102043012 is a deficient number, since it is larger than the sum of its proper divisors (78844604).

102043012 is a wasteful number, since it uses less digits than its factorization.

102043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102043012 is about 10101.6341252294. The cubic root of 102043012 is about 467.2985388361.

Adding to 102043012 its reverse (210340201), we get a palindrome (312383213).

The spelling of 102043012 in words is "one hundred two million, forty-three thousand, twelve".