21364123031162 has 8 divisors (see below), whose sum is σ = 32329779100596. Its totient is φ = 10587529997632.

The previous prime is 21364123031123. The next prime is 21364123031227. The reversal of 21364123031162 is 26113032146312.

It can be written as a sum of positive squares in 2 ways, for example, as 16804826198161 + 4559296833001 = 4099369^2 + 2135251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 47265758693 + ... + 47265759144.

Almost surely, 2^{21364123031162} is an apocalyptic number.

21364123031162 is a deficient number, since it is larger than the sum of its proper divisors (10965656069434).

21364123031162 is a wasteful number, since it uses less digits than its factorization.

21364123031162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94531517952.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 21364123031162 its reverse (26113032146312), we get a palindrome (47477155177474).

The spelling of 21364123031162 in words is "twenty-one trillion, three hundred sixty-four billion, one hundred twenty-three million, thirty-one thousand, one hundred sixty-two".