1222212302320 has 80 divisors (see below), whose sum is σ = 2991957252480. Its totient is φ = 463037472000.

The previous prime is 1222212302317. The next prime is 1222212302327. The reversal of 1222212302320 is 232032122221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1222212302291 and 1222212302300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222212302327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6058275 + ... + 6256765.

It is an arithmetic number, because the mean of its divisors is an integer number (37399465656).

Almost surely, 2^{1222212302320} is an apocalyptic number.

1222212302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222212302320 is an abundant number, since it is smaller than the sum of its proper divisors (1769744950160).

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

1222212302320 is a wasteful number, since it uses less digits than its factorization.

1222212302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202574 (or 202568 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1222212302320 its reverse (232032122221), we get a palindrome (1454244424541).

The spelling of 1222212302320 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, three hundred two thousand, three hundred twenty".