30013121222 has 48 divisors (see below), whose sum is σ = 54734670432. Its totient is φ = 12283729920.

The previous prime is 30013121219. The next prime is 30013121249. The reversal of 30013121222 is 22212131003.

It is a self number, because there is not a number n which added to its sum of digits gives 30013121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1434428 + ... + 1455200.

It is an arithmetic number, because the mean of its divisors is an integer number (1140305634).

Almost surely, 2^30013121222 is an apocalyptic number.

30013121222 is a deficient number, since it is larger than the sum of its proper divisors (24721549210).

30013121222 is a wasteful number, since it uses less digits than its factorization.

30013121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21453 (or 21446 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30013121222 its reverse (22212131003), we get a palindrome (52225252225).

The spelling of 30013121222 in words is "thirty billion, thirteen million, one hundred twenty-one thousand, two hundred twenty-two".