21214036532752 has 40 divisors (see below), whose sum is σ = 46989284741312. Its totient is φ = 9088759612800.

The previous prime is 21214036532719. The next prime is 21214036532753. The reversal of 21214036532752 is 25723563041212.

It is a junction number, because it is equal to n+sod(n) for n = 21214036532699 and 21214036532708.

It is not an unprimeable number, because it can be changed into a prime (21214036532753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30596574 + ... + 31282237.

Almost surely, 2^{21214036532752} is an apocalyptic number.

It is an amenable number.

21214036532752 is an abundant number, since it is smaller than the sum of its proper divisors (25775248208560).

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

21214036532752 is a wasteful number, since it uses less digits than its factorization.

21214036532752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61881887 (or 61881881 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

Adding to 21214036532752 its reverse (25723563041212), we get a palindrome (46937599573964).

The spelling of 21214036532752 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-two thousand, seven hundred fifty-two".