212224555140145 has 8 divisors (see below), whose sum is σ = 269650023001704. Its totient is φ = 159792606223104.

The previous prime is 212224555140119. The next prime is 212224555140173. The reversal of 212224555140145 is 541041555422212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97372845301824 + 114851709838321 = 9867768^2 + 10716889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212224555140145 - 2¹¹ = 212224555138097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248379736034 + ... + 1248379736203.

It is an arithmetic number, because the mean of its divisors is an integer number (33706252875213).

Almost surely, 2^{212224555140145} is an apocalyptic number.

It is an amenable number.

212224555140145 is a deficient number, since it is larger than the sum of its proper divisors (57425467861559).

212224555140145 is a wasteful number, since it uses less digits than its factorization.

212224555140145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496759472259.

The product of its (nonzero) digits is 640000, while the sum is 43.

The spelling of 212224555140145 in words is "two hundred twelve trillion, two hundred twenty-four billion, five hundred fifty-five million, one hundred forty thousand, one hundred forty-five".