30121222030 has 32 divisors (see below), whose sum is σ = 57739397184. Its totient is φ = 11274195456.

The previous prime is 30121221953. The next prime is 30121222037. The reversal of 30121222030 is 3022212103.

It is a junction number, because it is equal to n+sod(n) for n = 30121221995 and 30121222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121222037) 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, 482682 + ... + 541501.

It is an arithmetic number, because the mean of its divisors is an integer number (1804356162).

Almost surely, 2^30121222030 is an apocalyptic number.

30121222030 is a deficient number, since it is larger than the sum of its proper divisors (27618175154).

30121222030 is a wasteful number, since it uses less digits than its factorization.

30121222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024380.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30121222030 its reverse (3022212103), we get a palindrome (33143434133).

The spelling of 30121222030 in words is "thirty billion, one hundred twenty-one million, two hundred twenty-two thousand, thirty".