12121003074 has 16 divisors (see below), whose sum is σ = 24574089312. Its totient is φ = 3984987168.

The previous prime is 12121003073. The next prime is 12121003091. The reversal of 12121003074 is 47030012121.

12121003074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12121003074.

It is not an unprimeable number, because it can be changed into a prime (12121003073) 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, 13836324 + ... + 13837199.

It is an arithmetic number, because the mean of its divisors is an integer number (1535880582).

Almost surely, 2^12121003074 is an apocalyptic number.

12121003074 is an abundant number, since it is smaller than the sum of its proper divisors (12453086238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121003074 is a wasteful number, since it uses less digits than its factorization.

12121003074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27673601.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 12121003074 its reverse (47030012121), we get a palindrome (59151015195).

The spelling of 12121003074 in words is "twelve billion, one hundred twenty-one million, three thousand, seventy-four".