21452333325412 has 48 divisors (see below), whose sum is σ = 41976614522304. Its totient is φ = 9508443840000.

The previous prime is 21452333325407. The next prime is 21452333325413.

21452333325412 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (21452333325413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8295889 + ... + 10570072.

It is an arithmetic number, because the mean of its divisors is an integer number (874512802548).

Almost surely, 2^{21452333325412} is an apocalyptic number.

21452333325412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21452333325412 is a deficient number, since it is larger than the sum of its proper divisors (20524281196892).

21452333325412 is a wasteful number, since it uses less digits than its factorization.

21452333325412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18866620 (or 18866618 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The spelling of 21452333325412 in words is "twenty-one trillion, four hundred fifty-two billion, three hundred thirty-three million, three hundred twenty-five thousand, four hundred twelve".