103920212 has 12 divisors (see below), whose sum is σ = 198393216. Its totient is φ = 47236440.

The previous prime is 103920211. The next prime is 103920217. The reversal of 103920212 is 212029301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103920211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180868 + ... + 1180955.

It is an arithmetic number, because the mean of its divisors is an integer number (16532768).

Almost surely, 2^103920212 is an apocalyptic number.

It is an amenable number.

103920212 is a deficient number, since it is larger than the sum of its proper divisors (94473004).

103920212 is a wasteful number, since it uses less digits than its factorization.

103920212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361838 (or 2361836 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103920212 is about 10194.1263480496. The cubic root of 103920212 is about 470.1466450507.

Adding to 103920212 its reverse (212029301), we get a palindrome (315949513).

The spelling of 103920212 in words is "one hundred three million, nine hundred twenty thousand, two hundred twelve".