12216412330 has 32 divisors (see below), whose sum is σ = 24508474560. Its totient is φ = 4357059840.

The previous prime is 12216412301. The next prime is 12216412367. The reversal of 12216412330 is 3321461221.

It is a junction number, because it is equal to n+sod(n) for n = 12216412295 and 12216412304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887856 + ... + 1894315.

It is an arithmetic number, because the mean of its divisors is an integer number (765889830).

Almost surely, 2^12216412330 is an apocalyptic number.

12216412330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12216412330 is an abundant number, since it is smaller than the sum of its proper divisors (12292062230).

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

12216412330 is a wasteful number, since it uses less digits than its factorization.

12216412330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782214.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12216412330 its reverse (3321461221), we get a palindrome (15537873551).

The spelling of 12216412330 in words is "twelve billion, two hundred sixteen million, four hundred twelve thousand, three hundred thirty".