30121012103 has 8 divisors (see below), whose sum is σ = 37072015008. Its totient is φ = 23832009504.

The previous prime is 30121012091. The next prime is 30121012157.

30121012103 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 30121012103 - 2¹⁶ = 30120946567 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121012193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165499976 + ... + 165500157.

It is an arithmetic number, because the mean of its divisors is an integer number (4634001876).

Almost surely, 2^30121012103 is an apocalyptic number.

30121012103 is a deficient number, since it is larger than the sum of its proper divisors (6951002905).

30121012103 is a wasteful number, since it uses less digits than its factorization.

30121012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331000153.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 301210 and 12103, that added together give a palindrome (313313).

The spelling of 30121012103 in words is "thirty billion, one hundred twenty-one million, twelve thousand, one hundred three".