12124042213420 has 12 divisors (see below), whose sum is σ = 25460488648224. Its totient is φ = 4849616885360.

The previous prime is 12124042213369. The next prime is 12124042213421. The reversal of 12124042213420 is 2431224042121.

It is not an unprimeable number, because it can be changed into a prime (12124042213421) 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, 303101055316 + ... + 303101055355.

It is an arithmetic number, because the mean of its divisors is an integer number (2121707387352).

Almost surely, 2^{12124042213420} is an apocalyptic number.

12124042213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12124042213420 is an abundant number, since it is smaller than the sum of its proper divisors (13336446434804).

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

12124042213420 is a wasteful number, since it uses less digits than its factorization.

12124042213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606202110680 (or 606202110678 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12124042213420 its reverse (2431224042121), we get a palindrome (14555266255541).

The spelling of 12124042213420 in words is "twelve trillion, one hundred twenty-four billion, forty-two million, two hundred thirteen thousand, four hundred twenty".