3845212113122 has 16 divisors (see below), whose sum is σ = 5942391950520. Its totient is φ = 1864742635008.

The previous prime is 3845212112993. The next prime is 3845212113163. The reversal of 3845212113122 is 2213112125483.

It can be written as a sum of positive squares in 4 ways, for example, as 3673850059441 + 171362053681 = 1916729^2 + 413959^2 .

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, 81936047 + ... + 81982962.

Almost surely, 2^{3845212113122} is an apocalyptic number.

3845212113122 is a deficient number, since it is larger than the sum of its proper divisors (2097179837398).

3845212113122 is a wasteful number, since it uses less digits than its factorization.

3845212113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163919365.

The product of its digits is 23040, while the sum is 35.

The spelling of 3845212113122 in words is "three trillion, eight hundred forty-five billion, two hundred twelve million, one hundred thirteen thousand, one hundred twenty-two".