1213389130752 has 352 divisors, whose sum is σ = 3684269859840. Its totient is φ = 394311352320.

The previous prime is 1213389130721. The next prime is 1213389130817. The reversal of 1213389130752 is 2570319833121.

1213389130752 is a `hidden beast` number, since 1 + 2 + 1 + 338 + 9 + 1 + 307 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1213389130698 and 1213389130707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359947627 + ... + 359950997.

Almost surely, 2^{1213389130752} is an apocalyptic number.

1213389130752 is a gapful number since it is divisible by the number (12) 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 1213389130752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842134929920).

1213389130752 is an abundant number, since it is smaller than the sum of its proper divisors (2470880729088).

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

1213389130752 is a wasteful number, since it uses less digits than its factorization.

1213389130752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 1213389130752 in words is "one trillion, two hundred thirteen billion, three hundred eighty-nine million, one hundred thirty thousand, seven hundred fifty-two".