12012112210 has 32 divisors (see below), whose sum is σ = 24795009792. Its totient is φ = 4104375360.

The previous prime is 12012112207. The next prime is 12012112213. The reversal of 12012112210 is 1221121021.

It is an interprime number because it is at equal distance from previous prime (12012112207) and next prime (12012112213).

It is not an unprimeable number, because it can be changed into a prime (12012112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272326 + ... + 313345.

It is an arithmetic number, because the mean of its divisors is an integer number (774844056).

Almost surely, 2^12012112210 is an apocalyptic number.

12012112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012112210 is an abundant number, since it is smaller than the sum of its proper divisors (12782897582).

12012112210 is a wasteful number, since it uses less digits than its factorization.

12012112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585978.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012112210 its reverse (1221121021), we get a palindrome (13233233231).

The spelling of 12012112210 in words is "twelve billion, twelve million, one hundred twelve thousand, two hundred ten".