122250215143 has 8 divisors (see below), whose sum is σ = 140950944288. Its totient is φ = 103858589184.

The previous prime is 122250215099. The next prime is 122250215161. The reversal of 122250215143 is 341512052221.

It is a happy number.

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

It is not a de Polignac number, because 122250215143 - 2²⁹ = 121713344231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122250215543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77274946 + ... + 77276527.

It is an arithmetic number, because the mean of its divisors is an integer number (17618868036).

Almost surely, 2^122250215143 is an apocalyptic number.

122250215143 is a deficient number, since it is larger than the sum of its proper divisors (18700729145).

122250215143 is a wasteful number, since it uses less digits than its factorization.

122250215143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154551593.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 122250215143 its reverse (341512052221), we get a palindrome (463762267364).

The spelling of 122250215143 in words is "one hundred twenty-two billion, two hundred fifty million, two hundred fifteen thousand, one hundred forty-three".