12001212230 has 16 divisors (see below), whose sum is σ = 24688208160. Its totient is φ = 4114701312.

The previous prime is 12001212221. The next prime is 12001212253. The reversal of 12001212230 is 3221210021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 85722875 + ... + 85723014.

It is an arithmetic number, because the mean of its divisors is an integer number (1543013010).

Almost surely, 2^12001212230 is an apocalyptic number.

12001212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001212230 is an abundant number, since it is smaller than the sum of its proper divisors (12686995930).

12001212230 is a wasteful number, since it uses less digits than its factorization.

12001212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171445903.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12001212230 its reverse (3221210021), we get a palindrome (15222422251).

The spelling of 12001212230 in words is "twelve billion, one million, two hundred twelve thousand, two hundred thirty".