103420012 has 6 divisors (see below), whose sum is σ = 180985028. Its totient is φ = 51710004.

The previous prime is 103420007. The next prime is 103420019. The reversal of 103420012 is 210024301.

It is a junction number, because it is equal to n+sod(n) for n = 103419974 and 103420001.

It is not an unprimeable number, because it can be changed into a prime (103420019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12927498 + ... + 12927505.

Almost surely, 2^103420012 is an apocalyptic number.

It is an amenable number.

103420012 is a deficient number, since it is larger than the sum of its proper divisors (77565016).

103420012 is a wasteful number, since it uses less digits than its factorization.

103420012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25855007 (or 25855005 counting only the distinct ones).

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

The square root of 103420012 is about 10169.5630191272. The cubic root of 103420012 is about 469.3911113244.

Adding to 103420012 its reverse (210024301), we get a palindrome (313444313).

The spelling of 103420012 in words is "one hundred three million, four hundred twenty thousand, twelve".