212102004077125 has 48 divisors (see below), whose sum is σ = 281238712634880. Its totient is φ = 159672673209600.

The previous prime is 212102004077087. The next prime is 212102004077167. The reversal of 212102004077125 is 521770400201212.

It is not a de Polignac number, because 212102004077125 - 2¹¹ = 212102004075077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209272336 + ... + 210283414.

It is an arithmetic number, because the mean of its divisors is an integer number (5859139846560).

Almost surely, 2^{212102004077125} is an apocalyptic number.

212102004077125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212102004077125 is a deficient number, since it is larger than the sum of its proper divisors (69136708557755).

212102004077125 is a wasteful number, since it uses less digits than its factorization.

212102004077125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016935 (or 1016908 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

Adding to 212102004077125 its reverse (521770400201212), we get a palindrome (733872404278337).

The spelling of 212102004077125 in words is "two hundred twelve trillion, one hundred two billion, four million, seventy-seven thousand, one hundred twenty-five".