102103012 has 24 divisors (see below), whose sum is σ = 195380640. Its totient is φ = 46301760.

The previous prime is 102103009. The next prime is 102103013. The reversal of 102103012 is 210301201.

It is a self number, because there is not a number n which added to its sum of digits gives 102103012.

It is not an unprimeable number, because it can be changed into a prime (102103013) 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, 18064 + ... + 23032.

It is an arithmetic number, because the mean of its divisors is an integer number (8140860).

Almost surely, 2^102103012 is an apocalyptic number.

It is an amenable number.

102103012 is a deficient number, since it is larger than the sum of its proper divisors (93277628).

102103012 is a wasteful number, since it uses less digits than its factorization.

102103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102103012 is about 10104.6035053336. The cubic root of 102103012 is about 467.3901094338.

Adding to 102103012 its reverse (210301201), we get a palindrome (312404213).

The spelling of 102103012 in words is "one hundred two million, one hundred three thousand, twelve".