212115123325 has 24 divisors (see below), whose sum is σ = 302441628608. Its totient is φ = 144558017280.

The previous prime is 212115123301. The next prime is 212115123343. The reversal of 212115123325 is 523321511212.

It is not a de Polignac number, because 212115123325 - 2¹⁵ = 212115090557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212115123293 and 212115123302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3689532 + ... + 3746581.

Almost surely, 2^212115123325 is an apocalyptic number.

212115123325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212115123325 is a deficient number, since it is larger than the sum of its proper divisors (90326505283).

212115123325 is a wasteful number, since it uses less digits than its factorization.

212115123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436293 (or 7436288 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 212115123325 its reverse (523321511212), we get a palindrome (735436634537).

The spelling of 212115123325 in words is "two hundred twelve billion, one hundred fifteen million, one hundred twenty-three thousand, three hundred twenty-five".