213214231125 has 128 divisors (see below), whose sum is σ = 452893409280. Its totient is φ = 96957000000.

The previous prime is 213214231099. The next prime is 213214231147. The reversal of 213214231125 is 521132412312.

It is a happy number.

213214231125 is a `hidden beast` number, since 2 + 1 + 321 + 4 + 2 + 311 + 25 = 666.

It is not a de Polignac number, because 213214231125 - 2⁷ = 213214230997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4488750 + ... + 4536000.

It is an arithmetic number, because the mean of its divisors is an integer number (3538229760).

Almost surely, 2^213214231125 is an apocalyptic number.

213214231125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213214231125 is an abundant number, since it is smaller than the sum of its proper divisors (239679178155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213214231125 is a wasteful number, since it uses less digits than its factorization.

213214231125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47473 (or 47457 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 213214231125 its reverse (521132412312), we get a palindrome (734346643437).

The spelling of 213214231125 in words is "two hundred thirteen billion, two hundred fourteen million, two hundred thirty-one thousand, one hundred twenty-five".