2212125173518 has 16 divisors (see below), whose sum is σ = 3573524858400. Its totient is φ = 1020954596256.

The previous prime is 2212125173507. The next prime is 2212125173521. The reversal of 2212125173518 is 8153715212122.

It is a happy number.

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, 44293 + ... + 2103856.

It is an arithmetic number, because the mean of its divisors is an integer number (223345303650).

Almost surely, 2^{2212125173518} is an apocalyptic number.

2212125173518 is a deficient number, since it is larger than the sum of its proper divisors (1361399684882).

2212125173518 is a wasteful number, since it uses less digits than its factorization.

2212125173518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187771.

The product of its digits is 67200, while the sum is 40.

The spelling of 2212125173518 in words is "two trillion, two hundred twelve billion, one hundred twenty-five million, one hundred seventy-three thousand, five hundred eighteen".