12012220312230 has 32 divisors (see below), whose sum is σ = 29022814188000. Its totient is φ = 3181760367872.

The previous prime is 12012220312181. The next prime is 12012220312291. The reversal of 12012220312230 is 3221302221021.

It is a junction number, because it is equal to n+sod(n) for n = 12012220312197 and 12012220312206.

It is a congruent number.

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, 1343644335 + ... + 1343653274.

It is an arithmetic number, because the mean of its divisors is an integer number (906962943375).

Almost surely, 2^{12012220312230} is an apocalyptic number.

12012220312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012220312230 is an abundant number, since it is smaller than the sum of its proper divisors (17010593875770).

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

12012220312230 is a wasteful number, since it uses less digits than its factorization.

12012220312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687297768.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12012220312230 its reverse (3221302221021), we get a palindrome (15233522533251).

The spelling of 12012220312230 in words is "twelve trillion, twelve billion, two hundred twenty million, three hundred twelve thousand, two hundred thirty".