1212333112320 has 1056 divisors, whose sum is σ = 4478681410560. Its totient is φ = 279311155200.

The previous prime is 1212333112301. The next prime is 1212333112399. The reversal of 1212333112320 is 232113332121.

It is a tau number, because it is divible by the number of its divisors (1056).

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 95 ways as a sum of consecutive naturals, for example, 4473553785 + ... + 4473554055.

Almost surely, 2^{1212333112320} is an apocalyptic number.

1212333112320 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 1212333112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239340705280).

1212333112320 is an abundant number, since it is smaller than the sum of its proper divisors (3266348298240).

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

1212333112320 is a wasteful number, since it uses less digits than its factorization.

1212333112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1212333112320 its reverse (232113332121), we get a palindrome (1444446444441).

The spelling of 1212333112320 in words is "one trillion, two hundred twelve billion, three hundred thirty-three million, one hundred twelve thousand, three hundred twenty".