12221733607510 has 64 divisors (see below), whose sum is σ = 25963072819200. Its totient is φ = 4053544709760.

The previous prime is 12221733607487. The next prime is 12221733607511. The reversal of 12221733607510 is 1570633712221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221733607511) 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, 4426557 + ... + 6636103.

It is an arithmetic number, because the mean of its divisors is an integer number (405673012800).

Almost surely, 2^{12221733607510} is an apocalyptic number.

12221733607510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221733607510 is an abundant number, since it is smaller than the sum of its proper divisors (13741339211690).

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

12221733607510 is a wasteful number, since it uses less digits than its factorization.

12221733607510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212141.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 12221733607510 in words is "twelve trillion, two hundred twenty-one billion, seven hundred thirty-three million, six hundred seven thousand, five hundred ten".