30212123232 has 48 divisors (see below), whose sum is σ = 79333853760. Its totient is φ = 10067275392.

The previous prime is 30212123197. The next prime is 30212123281. The reversal of 30212123232 is 23232121203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 30212123199 and 30212123208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237703 + ... + 341945.

It is an arithmetic number, because the mean of its divisors is an integer number (1652788620).

Almost surely, 2^30212123232 is an apocalyptic number.

30212123232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30212123232 is an abundant number, since it is smaller than the sum of its proper divisors (49121730528).

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

30212123232 is a wasteful number, since it uses less digits than its factorization.

30212123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107275 (or 107267 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30212123232 its reverse (23232121203), we get a palindrome (53444244435).

The spelling of 30212123232 in words is "thirty billion, two hundred twelve million, one hundred twenty-three thousand, two hundred thirty-two".