212142340410 has 128 divisors (see below), whose sum is σ = 683602827264. Its totient is φ = 40690632960.

The previous prime is 212142340387. The next prime is 212142340429. The reversal of 212142340410 is 14043241212.

212142340410 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3502144 + ... + 3562203.

It is an arithmetic number, because the mean of its divisors is an integer number (5340647088).

Almost surely, 2^212142340410 is an apocalyptic number.

212142340410 is an abundant number, since it is smaller than the sum of its proper divisors (471460486854).

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

212142340410 is a wasteful number, since it uses less digits than its factorization.

212142340410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064388.

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

Adding to 212142340410 its reverse (14043241212), we get a palindrome (226185581622).

The spelling of 212142340410 in words is "two hundred twelve billion, one hundred forty-two million, three hundred forty thousand, four hundred ten".