199211601248 has 96 divisors (see below), whose sum is σ = 442056206592. Its totient is φ = 87585523200.

The previous prime is 199211601233. The next prime is 199211601257. The reversal of 199211601248 is 842106112991.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 199211601199 and 199211601208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495118 + ... + 1622898.

It is an arithmetic number, because the mean of its divisors is an integer number (4604752152).

Almost surely, 2^199211601248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199211601248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221028103296).

199211601248 is an abundant number, since it is smaller than the sum of its proper divisors (242844605344).

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

199211601248 is a wasteful number, since it uses less digits than its factorization.

199211601248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127948 (or 127940 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 199211601248 in words is "one hundred ninety-nine billion, two hundred eleven million, six hundred one thousand, two hundred forty-eight".