12114533420 has 24 divisors (see below), whose sum is σ = 27753295248. Its totient is φ = 4405284800.

The previous prime is 12114533419. The next prime is 12114533441. The reversal of 12114533420 is 2433541121.

It is a happy number.

It is a super-3 number, since 3×12114533420³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12114533420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27532811 + ... + 27533250.

It is an arithmetic number, because the mean of its divisors is an integer number (1156387302).

Almost surely, 2^12114533420 is an apocalyptic number.

12114533420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12114533420 is an abundant number, since it is smaller than the sum of its proper divisors (15638761828).

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

12114533420 is a wasteful number, since it uses less digits than its factorization.

12114533420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55066081 (or 55066079 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

It can be divided in two parts, 121 and 14533420, that added together give a palindrome (14533541).

The spelling of 12114533420 in words is "twelve billion, one hundred fourteen million, five hundred thirty-three thousand, four hundred twenty".