1220244630000 has 800 divisors, whose sum is σ = 4483545606144. Its totient is φ = 283200000000.

The previous prime is 1220244629993. The next prime is 1220244630043. The reversal of 1220244630000 is 364420221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1033229410 + ... + 1033230590.

Almost surely, 2^{1220244630000} is an apocalyptic number.

1220244630000 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 1220244630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241772803072).

1220244630000 is an abundant number, since it is smaller than the sum of its proper divisors (3263300976144).

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

1220244630000 is a wasteful number, since it uses less digits than its factorization.

1220244630000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 1220244630000 in words is "one trillion, two hundred twenty billion, two hundred forty-four million, six hundred thirty thousand".