10312222312220 has 96 divisors (see below), whose sum is σ = 22385004542208. Its totient is φ = 3987984494592.

The previous prime is 10312222312219. The next prime is 10312222312237. The reversal of 10312222312220 is 2221322221301.

It is a happy number.

It is a super-2 number, since 2×10312222312220² (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 31 ways as a sum of consecutive naturals, for example, 111942299 + ... + 112034381.

It is an arithmetic number, because the mean of its divisors is an integer number (233177130648).

Almost surely, 2^{10312222312220} is an apocalyptic number.

10312222312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312222312220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11192502271104).

10312222312220 is an abundant number, since it is smaller than the sum of its proper divisors (12072782229988).

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

10312222312220 is a wasteful number, since it uses less digits than its factorization.

10312222312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93459 (or 93457 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 10312222312220 its reverse (2221322221301), we get a palindrome (12533544533521).

The spelling of 10312222312220 in words is "ten trillion, three hundred twelve billion, two hundred twenty-two million, three hundred twelve thousand, two hundred twenty".