212240410120 has 32 divisors (see below), whose sum is σ = 486551133720. Its totient is φ = 83294348800.

The previous prime is 212240410117. The next prime is 212240410127. The reversal of 212240410120 is 21014042212.

It can be written as a sum of positive squares in 4 ways, for example, as 176025558916 + 36214851204 = 419554^2 + 190302^2 .

It is not an unprimeable number, because it can be changed into a prime (212240410127) 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, 50054581 + ... + 50058820.

Almost surely, 2^212240410120 is an apocalyptic number.

212240410120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212240410120 is an abundant number, since it is smaller than the sum of its proper divisors (274310723600).

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

212240410120 is a wasteful number, since it uses less digits than its factorization.

212240410120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100113465 (or 100113461 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212240410120 its reverse (21014042212), we get a palindrome (233254452332).

The spelling of 212240410120 in words is "two hundred twelve billion, two hundred forty million, four hundred ten thousand, one hundred twenty".