32421212530 has 32 divisors (see below), whose sum is σ = 66740252544. Its totient is φ = 11108313216.

The previous prime is 32421212489. The next prime is 32421212599. The reversal of 32421212530 is 3521212423.

It is a super-2 number, since 2×32421212530² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32421212495 and 32421212504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52347 + ... + 259966.

It is an arithmetic number, because the mean of its divisors is an integer number (2085632892).

Almost surely, 2^32421212530 is an apocalyptic number.

32421212530 is an abundant number, since it is smaller than the sum of its proper divisors (34319040014).

32421212530 is a wasteful number, since it uses less digits than its factorization.

32421212530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313810.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 32421212530 its reverse (3521212423), we get a palindrome (35942424953).

The spelling of 32421212530 in words is "thirty-two billion, four hundred twenty-one million, two hundred twelve thousand, five hundred thirty".