12121012006 has 16 divisors (see below), whose sum is σ = 18974592000. Its totient is φ = 5796219528.

The previous prime is 12121011989. The next prime is 12121012037. The reversal of 12121012006 is 60021012121.

It is a super-2 number, since 2×12121012006² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465685 + ... + 491023.

It is an arithmetic number, because the mean of its divisors is an integer number (1185912000).

Almost surely, 2^12121012006 is an apocalyptic number.

12121012006 is a deficient number, since it is larger than the sum of its proper divisors (6853579994).

12121012006 is a wasteful number, since it uses less digits than its factorization.

12121012006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35763.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12121012006 its reverse (60021012121), we get a palindrome (72142024127).

The spelling of 12121012006 in words is "twelve billion, one hundred twenty-one million, twelve thousand, six".