192104021201 has 4 divisors (see below), whose sum is σ = 197296021812. Its totient is φ = 186912020592.

The previous prime is 192104021177. The next prime is 192104021203. The reversal of 192104021201 is 102120401291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177152601025 + 14951420176 = 420895^2 + 122276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192104021201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (192104021203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2596000250 + ... + 2596000323.

It is an arithmetic number, because the mean of its divisors is an integer number (49324005453).

Almost surely, 2^192104021201 is an apocalyptic number.

It is an amenable number.

192104021201 is a deficient number, since it is larger than the sum of its proper divisors (5192000611).

192104021201 is an equidigital number, since it uses as much as digits as its factorization.

192104021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192000610.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 192104021201 its reverse (102120401291), we get a palindrome (294224422492).

The spelling of 192104021201 in words is "one hundred ninety-two billion, one hundred four million, twenty-one thousand, two hundred one".