10100812 has 12 divisors (see below), whose sum is σ = 17839360. Its totient is φ = 5003856.

The previous prime is 10100809. The next prime is 10100813. The reversal of 10100812 is 21800101.

It is a junction number, because it is equal to n+sod(n) for n = 10100792 and 10100801.

It is not an unprimeable number, because it can be changed into a prime (10100813) 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, 11148 + ... + 12019.

Almost surely, 2^10100812 is an apocalyptic number.

It is an amenable number.

10100812 is a deficient number, since it is larger than the sum of its proper divisors (7738548).

10100812 is a wasteful number, since it uses less digits than its factorization.

10100812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23280 (or 23278 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 10100812 is about 3178.1774651520. The cubic root of 10100812 is about 216.1650259214.

Adding to 10100812 its reverse (21800101), we get a palindrome (31900913).

The spelling of 10100812 in words is "ten million, one hundred thousand, eight hundred twelve".