220134244212 has 144 divisors (see below), whose sum is σ = 592318621440. Its totient is φ = 70698510720.

The previous prime is 220134244201. The next prime is 220134244229. The reversal of 220134244212 is 212442431022.

It is a happy number.

220134244212 is a `hidden beast` number, since 2 + 20 + 1 + 3 + 424 + 4 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24178053 + ... + 24187155.

It is an arithmetic number, because the mean of its divisors is an integer number (4113323760).

Almost surely, 2^220134244212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220134244212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296159310720).

220134244212 is an abundant number, since it is smaller than the sum of its proper divisors (372184377228).

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

220134244212 is a wasteful number, since it uses less digits than its factorization.

220134244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411 (or 9372 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 220134244212 its reverse (212442431022), we get a palindrome (432576675234).

The spelling of 220134244212 in words is "two hundred twenty billion, one hundred thirty-four million, two hundred forty-four thousand, two hundred twelve".