12220230123012 has 48 divisors (see below), whose sum is σ = 29065949115840. Its totient is φ = 3995165104128.

The previous prime is 12220230123001. The next prime is 12220230123019. The reversal of 12220230123012 is 21032103202221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220230123012.

It is not an unprimeable number, because it can be changed into a prime (12220230123019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38809773 + ... + 39123380.

It is an arithmetic number, because the mean of its divisors is an integer number (605540606580).

Almost surely, 2^{12220230123012} is an apocalyptic number.

12220230123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220230123012 is an abundant number, since it is smaller than the sum of its proper divisors (16845718992828).

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

12220230123012 is a wasteful number, since it uses less digits than its factorization.

12220230123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77933412 (or 77933410 counting only the distinct ones).

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

Adding to 12220230123012 its reverse (21032103202221), we get a palindrome (33252333325233).

The spelling of 12220230123012 in words is "twelve trillion, two hundred twenty billion, two hundred thirty million, one hundred twenty-three thousand, twelve".