212224223134044 has 384 divisors, whose sum is σ = 617572524441600. Its totient is φ = 62474413916160.

The previous prime is 212224223134039. The next prime is 212224223134093. The reversal of 212224223134044 is 440431322422212.

212224223134044 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 2 + 42 + 231 + 340 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4060981987 + ... + 4061034245.

It is an arithmetic number, because the mean of its divisors is an integer number (1608261782400).

Almost surely, 2^{212224223134044} 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 212224223134044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308786262220800).

212224223134044 is an abundant number, since it is smaller than the sum of its proper divisors (405348301307556).

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

212224223134044 is a wasteful number, since it uses less digits than its factorization.

212224223134044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52870 (or 52862 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 212224223134044 its reverse (440431322422212), we get a palindrome (652655545556256).

The spelling of 212224223134044 in words is "two hundred twelve trillion, two hundred twenty-four billion, two hundred twenty-three million, one hundred thirty-four thousand, forty-four".