1223986762320 has 480 divisors, whose sum is σ = 4570964939520. Its totient is φ = 269830471680.

The previous prime is 1223986762303. The next prime is 1223986762331. The reversal of 1223986762320 is 232676893221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 529633965 + ... + 529636275.

It is an arithmetic number, because the mean of its divisors is an integer number (9522843624).

Almost surely, 2^{1223986762320} is an apocalyptic number.

1223986762320 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 1223986762320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285482469760).

1223986762320 is an abundant number, since it is smaller than the sum of its proper divisors (3346978177200).

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

1223986762320 is a wasteful number, since it uses less digits than its factorization.

1223986762320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 1223986762320 in words is "one trillion, two hundred twenty-three billion, nine hundred eighty-six million, seven hundred sixty-two thousand, three hundred twenty".