212222134110 has 64 divisors (see below), whose sum is σ = 582318595584. Its totient is φ = 48489283200.

The previous prime is 212222134093. The next prime is 212222134127. The reversal of 212222134110 is 11431222212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212222134093) and next prime (212222134127).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357625 + ... + 743195.

It is an arithmetic number, because the mean of its divisors is an integer number (9098728056).

Almost surely, 2^212222134110 is an apocalyptic number.

212222134110 is an abundant number, since it is smaller than the sum of its proper divisors (370096461474).

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

212222134110 is a wasteful number, since it uses less digits than its factorization.

212222134110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388209.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212222134110 its reverse (11431222212), we get a palindrome (223653356322).

The spelling of 212222134110 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred thirty-four thousand, one hundred ten".