19499768330112 has 512 divisors, whose sum is σ = 66992555520000. Its totient is φ = 5468357744640.

The previous prime is 19499768330111. The next prime is 19499768330183. The reversal of 19499768330112 is 21103386799491.

19499768330112 is a `hidden beast` number, since 1 + 9 + 49 + 97 + 68 + 330 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 19499768330112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19499768330111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 940598787 + ... + 940619517.

It is an arithmetic number, because the mean of its divisors is an integer number (130844835000).

Almost surely, 2^{19499768330112} is an apocalyptic number.

19499768330112 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 19499768330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33496277760000).

19499768330112 is an abundant number, since it is smaller than the sum of its proper divisors (47492787189888).

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

19499768330112 is a wasteful number, since it uses less digits than its factorization.

19499768330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21479 (or 21461 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 19499768330112 in words is "nineteen trillion, four hundred ninety-nine billion, seven hundred sixty-eight million, three hundred thirty thousand, one hundred twelve".