122250215543 has 2 divisors, whose sum is σ = 122250215544. Its totient is φ = 122250215542.

The previous prime is 122250215539. The next prime is 122250215579. The reversal of 122250215543 is 345512052221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122250215543 - 2² = 122250215539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122250235543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61125107771 + 61125107772.

It is an arithmetic number, because the mean of its divisors is an integer number (61125107772).

Almost surely, 2^122250215543 is an apocalyptic number.

122250215543 is a deficient number, since it is larger than the sum of its proper divisors (1).

122250215543 is an equidigital number, since it uses as much as digits as its factorization.

122250215543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 122250215543 its reverse (345512052221), we get a palindrome (467762267764).

The spelling of 122250215543 in words is "one hundred twenty-two billion, two hundred fifty million, two hundred fifteen thousand, five hundred forty-three".