30012121330 has 32 divisors (see below), whose sum is σ = 55977926400. Its totient is φ = 11577226752.

The previous prime is 30012121301. The next prime is 30012121339. The reversal of 30012121330 is 3312121003.

It is not an unprimeable number, because it can be changed into a prime (30012121339) 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, 407775 + ... + 475714.

It is an arithmetic number, because the mean of its divisors is an integer number (1749310200).

Almost surely, 2^30012121330 is an apocalyptic number.

30012121330 is a deficient number, since it is larger than the sum of its proper divisors (25965805070).

30012121330 is a wasteful number, since it uses less digits than its factorization.

30012121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883618.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30012121330 its reverse (3312121003), we get a palindrome (33324242333).

The spelling of 30012121330 in words is "thirty billion, twelve million, one hundred twenty-one thousand, three hundred thirty".