12124330212 has 12 divisors (see below), whose sum is σ = 28290103856. Its totient is φ = 4041443400.

The previous prime is 12124330189. The next prime is 12124330223. The reversal of 12124330212 is 21203342121.

It is a tau number, because it is divible by the number of its divisors (12).

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, 505180414 + ... + 505180437.

Almost surely, 2^12124330212 is an apocalyptic number.

12124330212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12124330212 is an abundant number, since it is smaller than the sum of its proper divisors (16165773644).

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

12124330212 is a wasteful number, since it uses less digits than its factorization.

12124330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010360858 (or 1010360856 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12124330212 its reverse (21203342121), we get a palindrome (33327672333).

The spelling of 12124330212 in words is "twelve billion, one hundred twenty-four million, three hundred thirty thousand, two hundred twelve".