212424130120 has 16 divisors (see below), whose sum is σ = 477954292860. Its totient is φ = 84969652032.

The previous prime is 212424130111. The next prime is 212424130123. The reversal of 212424130120 is 21031424212.

It can be written as a sum of positive squares in 2 ways, for example, as 181000895364 + 31423234756 = 425442^2 + 177266^2 .

It is a super-2 number, since 2×212424130120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212424130091 and 212424130100.

It is not an unprimeable number, because it can be changed into a prime (212424130123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655301587 + ... + 2655301666.

Almost surely, 2^212424130120 is an apocalyptic number.

212424130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212424130120 is an abundant number, since it is smaller than the sum of its proper divisors (265530162740).

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

212424130120 is a wasteful number, since it uses less digits than its factorization.

212424130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310603264 (or 5310603260 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212424130120 its reverse (21031424212), we get a palindrome (233455554332).

The spelling of 212424130120 in words is "two hundred twelve billion, four hundred twenty-four million, one hundred thirty thousand, one hundred twenty".