1920212120192 has 32 divisors (see below), whose sum is σ = 3831724917120. Its totient is φ = 958524297984.

The previous prime is 1920212120171. The next prime is 1920212120207. The reversal of 1920212120192 is 2910212120291.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12279518 + ... + 12434909.

It is an arithmetic number, because the mean of its divisors is an integer number (119741403660).

Almost surely, 2^{1920212120192} is an apocalyptic number.

It is an amenable number.

1920212120192 is a deficient number, since it is larger than the sum of its proper divisors (1911512796928).

1920212120192 is an equidigital number, since it uses as much as digits as its factorization.

1920212120192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24715048 (or 24715036 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

Subtracting 1920212120192 from its reverse (2910212120291), we obtain a palindrome (990000000099).

The spelling of 1920212120192 in words is "one trillion, nine hundred twenty billion, two hundred twelve million, one hundred twenty thousand, one hundred ninety-two".