10212340125 has 64 divisors (see below), whose sum is σ = 18356292864. Its totient is φ = 5012294400.

The previous prime is 10212340121. The next prime is 10212340157. The reversal of 10212340125 is 52104321201.

It is not a de Polignac number, because 10212340125 - 2² = 10212340121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212340121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1688607 + ... + 1694643.

It is an arithmetic number, because the mean of its divisors is an integer number (286817076).

Almost surely, 2^10212340125 is an apocalyptic number.

10212340125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212340125 is a deficient number, since it is larger than the sum of its proper divisors (8143952739).

10212340125 is a wasteful number, since it uses less digits than its factorization.

10212340125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10212340125 its reverse (52104321201), we get a palindrome (62316661326).

The spelling of 10212340125 in words is "ten billion, two hundred twelve million, three hundred forty thousand, one hundred twenty-five".