19212835050 has 72 divisors (see below), whose sum is σ = 51917066604. Its totient is φ = 5093786880.

The previous prime is 19212835003. The next prime is 19212835067. The reversal of 19212835050 is 5053821291.

It can be written as a sum of positive squares in 6 ways, for example, as 15070754169 + 4142080881 = 122763^2 + 64359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19212834996 and 19212835014.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 45547 + ... + 201246.

Almost surely, 2^19212835050 is an apocalyptic number.

19212835050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19212835050 is an abundant number, since it is smaller than the sum of its proper divisors (32704231554).

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

19212835050 is a wasteful number, since it uses less digits than its factorization.

19212835050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246984 (or 246976 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 19212835050 in words is "nineteen billion, two hundred twelve million, eight hundred thirty-five thousand, fifty".