12121020302 has 32 divisors (see below), whose sum is σ = 18713907360. Its totient is φ = 5886259200.

The previous prime is 12121020277. The next prime is 12121020319. The reversal of 12121020302 is 20302012121.

It is a happy number.

12121020302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12121020302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2843849 + ... + 2848107.

It is an arithmetic number, because the mean of its divisors is an integer number (584809605).

Almost surely, 2^12121020302 is an apocalyptic number.

12121020302 is a deficient number, since it is larger than the sum of its proper divisors (6592887058).

12121020302 is a wasteful number, since it uses less digits than its factorization.

12121020302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12121020302 its reverse (20302012121), we get a palindrome (32423032423).

The spelling of 12121020302 in words is "twelve billion, one hundred twenty-one million, twenty thousand, three hundred two".