10121185806 has 8 divisors (see below), whose sum is σ = 20242371624. Its totient is φ = 3373728600.

The previous prime is 10121185799. The next prime is 10121185817. The reversal of 10121185806 is 60858112101.

It is a sphenic number, since it is the product of 3 distinct primes.

10121185806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843432145 + ... + 843432156.

It is an arithmetic number, because the mean of its divisors is an integer number (2530296453).

Almost surely, 2^10121185806 is an apocalyptic number.

10121185806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10121185806 is a wasteful number, since it uses less digits than its factorization.

10121185806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686864306.

The product of its (nonzero) digits is 3840, while the sum is 33.

Adding to 10121185806 its reverse (60858112101), we get a palindrome (70979297907).

The spelling of 10121185806 in words is "ten billion, one hundred twenty-one million, one hundred eighty-five thousand, eight hundred six".