12213201232012 has 24 divisors (see below), whose sum is σ = 23508806589072. Its totient is φ = 5551455103040.

The previous prime is 12213201232009. The next prime is 12213201232019. The reversal of 12213201232012 is 21023210231221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12213201232019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146989533 + ... + 1147000180.

It is an arithmetic number, because the mean of its divisors is an integer number (979533607878).

Almost surely, 2^{12213201232012} is an apocalyptic number.

It is an amenable number.

12213201232012 is a deficient number, since it is larger than the sum of its proper divisors (11295605357060).

12213201232012 is a wasteful number, since it uses less digits than its factorization.

12213201232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293989750 (or 2293989726 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12213201232012 its reverse (21023210231221), we get a palindrome (33236411463233).

The spelling of 12213201232012 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, two hundred thirty-two thousand, twelve".