215250123144422 has 16 divisors (see below), whose sum is σ = 323264258553600. Its totient is φ = 107495373660360.

The previous prime is 215250123144421. The next prime is 215250123144437. The reversal of 215250123144422 is 224441321052512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215250123144421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133504097 + ... + 135106787.

It is an arithmetic number, because the mean of its divisors is an integer number (20204016159600).

Almost surely, 2^{215250123144422} is an apocalyptic number.

215250123144422 is a deficient number, since it is larger than the sum of its proper divisors (108014135409178).

215250123144422 is a wasteful number, since it uses less digits than its factorization.

215250123144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683571.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 215250123144422 its reverse (224441321052512), we get a palindrome (439691444196934).

The spelling of 215250123144422 in words is "two hundred fifteen trillion, two hundred fifty billion, one hundred twenty-three million, one hundred forty-four thousand, four hundred twenty-two".