12212330112 has 96 divisors (see below), whose sum is σ = 36092168580. Its totient is φ = 3960741888.

The previous prime is 12212330093. The next prime is 12212330131. The reversal of 12212330112 is 21103321221.

12212330112 is a `hidden beast` number, since 1 + 221 + 2 + 330 + 112 = 666.

It is an interprime number because it is at equal distance from previous prime (12212330093) and next prime (12212330131).

It can be written as a sum of positive squares in 2 ways, for example, as 12193459776 + 18870336 = 110424^2 + 4344^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100633 + ... + 185880.

Almost surely, 2^12212330112 is an apocalyptic number.

12212330112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212330112 is an abundant number, since it is smaller than the sum of its proper divisors (23879838468).

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

12212330112 is a wasteful number, since it uses less digits than its factorization.

12212330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286570 (or 286555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12212330112 its reverse (21103321221), we get a palindrome (33315651333).

The spelling of 12212330112 in words is "twelve billion, two hundred twelve million, three hundred thirty thousand, one hundred twelve".