212340414021 has 8 divisors (see below), whose sum is σ = 285281778144. Its totient is φ = 140479662960.

The previous prime is 212340413981. The next prime is 212340414023. The reversal of 212340414021 is 120414043212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212340414021 - 2⁷ = 212340413893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212340413982 and 212340414000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212340414023) 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, 270152806 + ... + 270153591.

It is an arithmetic number, because the mean of its divisors is an integer number (35660222268).

Almost surely, 2^212340414021 is an apocalyptic number.

It is an amenable number.

212340414021 is a deficient number, since it is larger than the sum of its proper divisors (72941364123).

212340414021 is a wasteful number, since it uses less digits than its factorization.

212340414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540306531.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 212340414021 its reverse (120414043212), we get a palindrome (332754457233).

The spelling of 212340414021 in words is "two hundred twelve billion, three hundred forty million, four hundred fourteen thousand, twenty-one".