21232460062225 has 12 divisors (see below), whose sum is σ = 26332497846400. Its totient is φ = 16983227811600.

The previous prime is 21232460062147. The next prime is 21232460062249. The reversal of 21232460062225 is 52226006423212.

It is not a de Polignac number, because 21232460062225 - 2²⁹ = 21231923191313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68347881 + ... + 68657830.

Almost surely, 2^{21232460062225} is an apocalyptic number.

21232460062225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21232460062225 is a deficient number, since it is larger than the sum of its proper divisors (5100037784175).

21232460062225 is a wasteful number, since it uses less digits than its factorization.

21232460062225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137011920 (or 137011915 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 21232460062225 its reverse (52226006423212), we get a palindrome (73458466485437).

The spelling of 21232460062225 in words is "twenty-one trillion, two hundred thirty-two billion, four hundred sixty million, sixty-two thousand, two hundred twenty-five".