100003212312 has 16 divisors (see below), whose sum is σ = 250008030840. Its totient is φ = 33334404096.

The previous prime is 100003212301. The next prime is 100003212383. The reversal of 100003212312 is 213212300001.

It is a junction number, because it is equal to n+sod(n) for n = 100003212291 and 100003212300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083400233 + ... + 2083400280.

Almost surely, 2^100003212312 is an apocalyptic number.

100003212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100003212312 is an abundant number, since it is smaller than the sum of its proper divisors (150004818528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100003212312 is a wasteful number, since it uses less digits than its factorization.

100003212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166800522 (or 4166800518 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100003212312 its reverse (213212300001), we get a palindrome (313215512313).

The spelling of 100003212312 in words is "one hundred billion, three million, two hundred twelve thousand, three hundred twelve".