12121301404 has 6 divisors (see below), whose sum is σ = 21212277464. Its totient is φ = 6060650700.

The previous prime is 12121301371. The next prime is 12121301411. The reversal of 12121301404 is 40410312121.

12121301404 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 2×12121301404² (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 as a sum of consecutive naturals, namely, 1515162672 + ... + 1515162679.

Almost surely, 2^12121301404 is an apocalyptic number.

It is an amenable number.

12121301404 is a deficient number, since it is larger than the sum of its proper divisors (9090976060).

12121301404 is a wasteful number, since it uses less digits than its factorization.

12121301404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030325355 (or 3030325353 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12121301404 its reverse (40410312121), we get a palindrome (52531613525).

The spelling of 12121301404 in words is "twelve billion, one hundred twenty-one million, three hundred one thousand, four hundred four".