12221331020310 has 32 divisors (see below), whose sum is σ = 29332470765312. Its totient is φ = 3258879792480.

The previous prime is 12221331020299. The next prime is 12221331020323. The reversal of 12221331020310 is 1302013312221.

It is a super-2 number, since 2×12221331020310² (a number of 27 digits) contains 22 as substring.

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, 8161474 + ... + 9542133.

It is an arithmetic number, because the mean of its divisors is an integer number (916639711416).

Almost surely, 2^{12221331020310} is an apocalyptic number.

12221331020310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221331020310 is an abundant number, since it is smaller than the sum of its proper divisors (17111139745002).

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

12221331020310 is a wasteful number, since it uses less digits than its factorization.

12221331020310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726628.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12221331020310 its reverse (1302013312221), we get a palindrome (13523344332531).

The spelling of 12221331020310 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty-one million, twenty thousand, three hundred ten".