212040341022 has 16 divisors (see below), whose sum is σ = 424412788752. Its totient is φ = 70624762560.

The previous prime is 212040341021. The next prime is 212040341059. The reversal of 212040341022 is 220143040212.

It is a super-2 number, since 2×212040341022² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212040341022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212040341021) 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, 13829479 + ... + 13844802.

It is an arithmetic number, because the mean of its divisors is an integer number (26525799297).

Almost surely, 2^212040341022 is an apocalyptic number.

212040341022 is an abundant number, since it is smaller than the sum of its proper divisors (212372447730).

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

212040341022 is a wasteful number, since it uses less digits than its factorization.

212040341022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675563.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 212040341022 its reverse (220143040212), we get a palindrome (432183381234).

The spelling of 212040341022 in words is "two hundred twelve billion, forty million, three hundred forty-one thousand, twenty-two".