12222212010 has 64 divisors (see below), whose sum is σ = 29480827392. Its totient is φ = 3242912256.

The previous prime is 12222212003. The next prime is 12222212017. The reversal of 12222212010 is 1021222221.

It is an interprime number because it is at equal distance from previous prime (12222212003) and next prime (12222212017).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12222212017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6131574 + ... + 6133566.

It is an arithmetic number, because the mean of its divisors is an integer number (460637928).

Almost surely, 2^12222212010 is an apocalyptic number.

12222212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222212010 is an abundant number, since it is smaller than the sum of its proper divisors (17258615382).

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

12222212010 is a wasteful number, since it uses less digits than its factorization.

12222212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12222212010 its reverse (1021222221), we get a palindrome (13243434231).

The spelling of 12222212010 in words is "twelve billion, two hundred twenty-two million, two hundred twelve thousand, ten".