21314235532000 has 96 divisors (see below), whose sum is σ = 52555446294624. Its totient is φ = 8495353216000.

The previous prime is 21314235531991. The next prime is 21314235532001. The reversal of 21314235532000 is 23553241312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314235532001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8357422 + ... + 10605421.

It is an arithmetic number, because the mean of its divisors is an integer number (547452565569).

Almost surely, 2^{21314235532000} is an apocalyptic number.

21314235532000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21314235532000 is an abundant number, since it is smaller than the sum of its proper divisors (31241210762624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21314235532000 is a wasteful number, since it uses less digits than its factorization.

21314235532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18963149 (or 18963131 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 21314235532000 its reverse (23553241312), we get a palindrome (21337788773312).

The spelling of 21314235532000 in words is "twenty-one trillion, three hundred fourteen billion, two hundred thirty-five million, five hundred thirty-two thousand".