1219850558952 has 96 divisors (see below), whose sum is σ = 3199338233280. Its totient is φ = 387552605440.

The previous prime is 1219850558923. The next prime is 1219850558957. The reversal of 1219850558952 is 2598550589121.

It is not an unprimeable number, because it can be changed into a prime (1219850558957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3396613 + ... + 3738539.

It is an arithmetic number, because the mean of its divisors is an integer number (33326439930).

Almost surely, 2^{1219850558952} is an apocalyptic number.

1219850558952 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 1219850558952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599669116640).

1219850558952 is an abundant number, since it is smaller than the sum of its proper divisors (1979487674328).

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

1219850558952 is a wasteful number, since it uses less digits than its factorization.

1219850558952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342263 (or 342236 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 60.

The spelling of 1219850558952 in words is "one trillion, two hundred nineteen billion, eight hundred fifty million, five hundred fifty-eight thousand, nine hundred fifty-two".