10312220221222 has 8 divisors (see below), whose sum is σ = 15469156202472. Its totient is φ = 5155834820400.

The previous prime is 10312220221207. The next prime is 10312220221241. The reversal of 10312220221222 is 22212202221301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10312220221193 and 10312220221202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137598279 + ... + 137673202.

It is an arithmetic number, because the mean of its divisors is an integer number (1933644525309).

Almost surely, 2^{10312220221222} is an apocalyptic number.

10312220221222 is a deficient number, since it is larger than the sum of its proper divisors (5156935981250).

10312220221222 is a wasteful number, since it uses less digits than its factorization.

10312220221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275290214.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10312220221222 its reverse (22212202221301), we get a palindrome (32524422442523).

The spelling of 10312220221222 in words is "ten trillion, three hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".