12202220100312 has 96 divisors (see below), whose sum is σ = 36067741940880. Its totient is φ = 3696029326080.

The previous prime is 12202220100293. The next prime is 12202220100319. The reversal of 12202220100312 is 21300102220221.

12202220100312 is a `hidden beast` number, since 12 + 20 + 2 + 220 + 100 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202220100319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1543483 + ... + 5175594.

Almost surely, 2^{12202220100312} is an apocalyptic number.

12202220100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12202220100312 is an abundant number, since it is smaller than the sum of its proper divisors (23865521840568).

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

12202220100312 is a wasteful number, since it uses less digits than its factorization.

12202220100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721393 (or 6721386 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12202220100312 its reverse (21300102220221), we get a palindrome (33502322320533).

The spelling of 12202220100312 in words is "twelve trillion, two hundred two billion, two hundred twenty million, one hundred thousand, three hundred twelve".