19900503708912 has 120 divisors (see below), whose sum is σ = 58713718636560. Its totient is φ = 6274861655040.

The previous prime is 19900503708871. The next prime is 19900503708913. The reversal of 19900503708912 is 21980730500991.

19900503708912 is a `hidden beast` number, since 199 + 0 + 0 + 5 + 0 + 370 + 89 + 1 + 2 = 666.

It is a super-3 number, since 3×19900503708912³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19900503708913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3693453 + ... + 7310444.

It is an arithmetic number, because the mean of its divisors is an integer number (489280988638).

Almost surely, 2^{19900503708912} is an apocalyptic number.

19900503708912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19900503708912 is an abundant number, since it is smaller than the sum of its proper divisors (38813214927648).

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

19900503708912 is a wasteful number, since it uses less digits than its factorization.

19900503708912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11004591 (or 11004582 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 19900503708912 in words is "nineteen trillion, nine hundred billion, five hundred three million, seven hundred eight thousand, nine hundred twelve".