1222415402120 has 192 divisors, whose sum is σ = 3189413568960. Its totient is φ = 418096640000.

The previous prime is 1222415402119. The next prime is 1222415402141. The reversal of 1222415402120 is 212045142221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222415402120.

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 47 ways as a sum of consecutive naturals, for example, 376010495 + ... + 376013745.

It is an arithmetic number, because the mean of its divisors is an integer number (16611529005).

Almost surely, 2^{1222415402120} is an apocalyptic number.

1222415402120 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 1222415402120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594706784480).

1222415402120 is an abundant number, since it is smaller than the sum of its proper divisors (1966998166840).

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

1222415402120 is a wasteful number, since it uses less digits than its factorization.

1222415402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264 (or 6243 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The spelling of 1222415402120 in words is "one trillion, two hundred twenty-two billion, four hundred fifteen million, four hundred two thousand, one hundred twenty".