1992912947100 has 108 divisors (see below), whose sum is σ = 6311073902224. Its totient is φ = 525964631040.

The previous prime is 1992912947099. The next prime is 1992912947107. The reversal of 1992912947100 is 17492192991.

1992912947100 is a `hidden beast` number, since 199 + 291 + 29 + 47 + 100 = 666.

It is a super-3 number, since 3×1992912947100³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992912947107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11326864 + ... + 11501463.

Almost surely, 2^{1992912947100} is an apocalyptic number.

1992912947100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992912947100 is an abundant number, since it is smaller than the sum of its proper divisors (4318160955124).

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

1992912947100 is a wasteful number, since it uses less digits than its factorization.

1992912947100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22828444 (or 22828434 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The spelling of 1992912947100 in words is "one trillion, nine hundred ninety-two billion, nine hundred twelve million, nine hundred forty-seven thousand, one hundred".