12100012312 has 16 divisors (see below), whose sum is σ = 22760478000. Its totient is φ = 6030551520.

The previous prime is 12100012273. The next prime is 12100012319. The reversal of 12100012312 is 21321000121.

It is a junction number, because it is equal to n+sod(n) for n = 12100012292 and 12100012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100012319) 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, 2429187 + ... + 2434162.

It is an arithmetic number, because the mean of its divisors is an integer number (1422529875).

Almost surely, 2^12100012312 is an apocalyptic number.

It is an amenable number.

12100012312 is a deficient number, since it is larger than the sum of its proper divisors (10660465688).

12100012312 is a wasteful number, since it uses less digits than its factorization.

12100012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863666 (or 4863662 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12100012312 its reverse (21321000121), we get a palindrome (33421012433).

The spelling of 12100012312 in words is "twelve billion, one hundred million, twelve thousand, three hundred twelve".