30122123320 has 32 divisors (see below), whose sum is σ = 67912855920. Its totient is φ = 12024302080.

The previous prime is 30122123299. The next prime is 30122123321. The reversal of 30122123320 is 2332122103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122123321) 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, 747217 + ... + 786496.

Almost surely, 2^30122123320 is an apocalyptic number.

It is an amenable number.

30122123320 is an abundant number, since it is smaller than the sum of its proper divisors (37790732600).

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

30122123320 is a wasteful number, since it uses less digits than its factorization.

30122123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534215 (or 1534211 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30122123320 its reverse (2332122103), we get a palindrome (32454245423).

The spelling of 30122123320 in words is "thirty billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty".