30121123201 has 8 divisors (see below), whose sum is σ = 32922284864. Its totient is φ = 27389126160.

The previous prime is 30121123189. The next prime is 30121123211. The reversal of 30121123201 is 10232112103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30121123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30121123211) 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, 17290245 + ... + 17291986.

It is an arithmetic number, because the mean of its divisors is an integer number (4115285608).

Almost surely, 2^30121123201 is an apocalyptic number.

It is an amenable number.

30121123201 is a deficient number, since it is larger than the sum of its proper divisors (2801161663).

30121123201 is a wasteful number, since it uses less digits than its factorization.

30121123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34582311.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30121123201 its reverse (10232112103), we get a palindrome (40353235304).

The spelling of 30121123201 in words is "thirty billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred one".