12221302310 has 32 divisors (see below), whose sum is σ = 26234053632. Its totient is φ = 4007979360.

The previous prime is 12221302307. The next prime is 12221302321. The reversal of 12221302310 is 1320312221.

It is a super-2 number, since 2×12221302310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 3793826 + ... + 3797045.

It is an arithmetic number, because the mean of its divisors is an integer number (819814176).

Almost surely, 2^12221302310 is an apocalyptic number.

12221302310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221302310 is an abundant number, since it is smaller than the sum of its proper divisors (14012751322).

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

12221302310 is a wasteful number, since it uses less digits than its factorization.

12221302310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590908.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12221302310 its reverse (1320312221), we get a palindrome (13541614531).

The spelling of 12221302310 in words is "twelve billion, two hundred twenty-one million, three hundred two thousand, three hundred ten".