12112421000 has 64 divisors (see below), whose sum is σ = 29575428480. Its totient is φ = 4634308800.

The previous prime is 12112420951. The next prime is 12112421003. The reversal of 12112421000 is 12421121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12112421003) 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, 240314 + ... + 286313.

It is an arithmetic number, because the mean of its divisors is an integer number (462116070).

Almost surely, 2^12112421000 is an apocalyptic number.

12112421000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112421000 is an abundant number, since it is smaller than the sum of its proper divisors (17463007480).

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

12112421000 is a wasteful number, since it uses less digits than its factorization.

12112421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526671 (or 526657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12112421000 its reverse (12421121), we get a palindrome (12124842121).

The spelling of 12112421000 in words is "twelve billion, one hundred twelve million, four hundred twenty-one thousand".