21030150133252 has 24 divisors (see below), whose sum is σ = 39779994488192. Its totient is φ = 9670406810400.

The previous prime is 21030150133199. The next prime is 21030150133297. The reversal of 21030150133252 is 25233105103012.

It is a super-2 number, since 2×21030150133252² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21030150133252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746159274 + ... + 746187457.

Almost surely, 2^{21030150133252} is an apocalyptic number.

It is an amenable number.

21030150133252 is a deficient number, since it is larger than the sum of its proper divisors (18749844354940).

21030150133252 is a wasteful number, since it uses less digits than its factorization.

21030150133252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492347019 (or 1492347017 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 21030150133252 its reverse (25233105103012), we get a palindrome (46263255236264).

The spelling of 21030150133252 in words is "twenty-one trillion, thirty billion, one hundred fifty million, one hundred thirty-three thousand, two hundred fifty-two".