121626343206 has 64 divisors (see below), whose sum is σ = 279067176960. Its totient is φ = 39224787840.

The previous prime is 121626343183. The next prime is 121626343229. The reversal of 121626343206 is 602343626121.

121626343206 is a `hidden beast` number, since 1 + 2 + 1 + 626 + 3 + 4 + 3 + 20 + 6 = 666.

121626343206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121626343183) and next prime (121626343229).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11004375 + ... + 11015421.

It is an arithmetic number, because the mean of its divisors is an integer number (4360424640).

Almost surely, 2^121626343206 is an apocalyptic number.

121626343206 is an abundant number, since it is smaller than the sum of its proper divisors (157440833754).

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

121626343206 is a wasteful number, since it uses less digits than its factorization.

121626343206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666 (or 17660 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 121626343206 its reverse (602343626121), we get a palindrome (723969969327).

The spelling of 121626343206 in words is "one hundred twenty-one billion, six hundred twenty-six million, three hundred forty-three thousand, two hundred six".