30122223312 has 20 divisors (see below), whose sum is σ = 77815743680. Its totient is φ = 10040741088.

The previous prime is 30122223277. The next prime is 30122223317. The reversal of 30122223312 is 21332222103.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122223317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313773112 + ... + 313773207.

It is an arithmetic number, because the mean of its divisors is an integer number (3890787184).

Almost surely, 2^30122223312 is an apocalyptic number.

It is an amenable number.

30122223312 is an abundant number, since it is smaller than the sum of its proper divisors (47693520368).

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

30122223312 is a wasteful number, since it uses less digits than its factorization.

30122223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627546330 (or 627546324 counting only the distinct ones).

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

Adding to 30122223312 its reverse (21332222103), we get a palindrome (51454445415).

The spelling of 30122223312 in words is "thirty billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred twelve".