30121122404 has 6 divisors (see below), whose sum is σ = 52711964214. Its totient is φ = 15060561200.

The previous prime is 30121122377. The next prime is 30121122407. The reversal of 30121122404 is 40422112103.

It can be written as a sum of positive squares in only one way, i.e., 21992296804 + 8128825600 = 148298^2 + 90160^2 .

It is not an unprimeable number, because it can be changed into a prime (30121122407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765140297 + ... + 3765140304.

It is an arithmetic number, because the mean of its divisors is an integer number (8785327369).

Almost surely, 2^30121122404 is an apocalyptic number.

It is an amenable number.

30121122404 is a deficient number, since it is larger than the sum of its proper divisors (22590841810).

30121122404 is a wasteful number, since it uses less digits than its factorization.

30121122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530280605 (or 7530280603 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30121122404 its reverse (40422112103), we get a palindrome (70543234507).

The spelling of 30121122404 in words is "thirty billion, one hundred twenty-one million, one hundred twenty-two thousand, four hundred four".