3899999112122 has 4 divisors (see below), whose sum is σ = 5849998668186. Its totient is φ = 1949999556060.

The previous prime is 3899999112103. The next prime is 3899999112157. The reversal of 3899999112122 is 2212119999983.

3899999112122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2332923266881 + 1567075845241 = 1527391^2 + 1251829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974999778029 + ... + 974999778032.

Almost surely, 2^{3899999112122} is an apocalyptic number.

3899999112122 is a deficient number, since it is larger than the sum of its proper divisors (1949999556064).

3899999112122 is a wasteful number, since it uses less digits than its factorization.

3899999112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949999556063.

The product of its digits is 11337408, while the sum is 65.

The spelling of 3899999112122 in words is "three trillion, eight hundred ninety-nine billion, nine hundred ninety-nine million, one hundred twelve thousand, one hundred twenty-two".