19123067712 has 896 divisors, whose sum is σ = 70225920000. Its totient is φ = 4551966720.

The previous prime is 19123067687. The next prime is 19123067737. The reversal of 19123067712 is 21776032191.

It is an interprime number because it is at equal distance from previous prime (19123067687) and next prime (19123067737).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 616873137 + ... + 616873167.

Almost surely, 2^19123067712 is an apocalyptic number.

19123067712 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 19123067712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35112960000).

19123067712 is an abundant number, since it is smaller than the sum of its proper divisors (51102852288).

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

19123067712 is a wasteful number, since it uses less digits than its factorization.

19123067712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 19123067712 in words is "nineteen billion, one hundred twenty-three million, sixty-seven thousand, seven hundred twelve".