21233142132112 has 80 divisors (see below), whose sum is σ = 42463070161792. Its totient is φ = 10281746534400.

The previous prime is 21233142132079. The next prime is 21233142132173. The reversal of 21233142132112 is 21123124133212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15025438 + ... + 16377730.

Almost surely, 2^{21233142132112} is an apocalyptic number.

It is an amenable number.

21233142132112 is a deficient number, since it is larger than the sum of its proper divisors (21229928029680).

21233142132112 is a wasteful number, since it uses less digits than its factorization.

21233142132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352616 (or 1352610 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 21233142132112 its reverse (21123124133212), we get a palindrome (42356266265324).

The spelling of 21233142132112 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred forty-two million, one hundred thirty-two thousand, one hundred twelve".