212125431104 has 56 divisors (see below), whose sum is σ = 421967802240. Its totient is φ = 105803193344.

The previous prime is 212125431103. The next prime is 212125431121. The reversal of 212125431104 is 401134521212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212125431103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59036732 + ... + 59040324.

Almost surely, 2^212125431104 is an apocalyptic number.

It is an amenable number.

212125431104 is a deficient number, since it is larger than the sum of its proper divisors (209842371136).

212125431104 is a wasteful number, since it uses less digits than its factorization.

212125431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607 (or 5597 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 212125431104 its reverse (401134521212), we get a palindrome (613259952316).

The spelling of 212125431104 in words is "two hundred twelve billion, one hundred twenty-five million, four hundred thirty-one thousand, one hundred four".