1220415320000 has 280 divisors, whose sum is σ = 3069601188192. Its totient is φ = 481216000000.

The previous prime is 1220415319993. The next prime is 1220415320017. The reversal of 1220415320000 is 235140221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1183719485 + ... + 1183720515.

Almost surely, 2^{1220415320000} is an apocalyptic number.

1220415320000 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 1220415320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534800594096).

1220415320000 is an abundant number, since it is smaller than the sum of its proper divisors (1849185868192).

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

1220415320000 is a wasteful number, since it uses less digits than its factorization.

1220415320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 1220415320000 in words is "one trillion, two hundred twenty billion, four hundred fifteen million, three hundred twenty thousand".