1920012100192 has 24 divisors (see below), whose sum is σ = 3781268670816. Its totient is φ = 959689898112.

The previous prime is 1920012100183. The next prime is 1920012100211. The reversal of 1920012100192 is 2910012100291.

It is a self number, because there is not a number n which added to its sum of digits gives 1920012100192.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9781048 + ... + 9975415.

It is an arithmetic number, because the mean of its divisors is an integer number (157552861284).

Almost surely, 2^{1920012100192} is an apocalyptic number.

It is an amenable number.

1920012100192 is a deficient number, since it is larger than the sum of its proper divisors (1861256570624).

1920012100192 is a wasteful number, since it uses less digits than its factorization.

1920012100192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19759510 (or 19759502 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

Subtracting 1920012100192 from its reverse (2910012100291), we obtain a palindrome (990000000099).

The spelling of 1920012100192 in words is "one trillion, nine hundred twenty billion, twelve million, one hundred thousand, one hundred ninety-two".