122220213143 has 32 divisors (see below), whose sum is σ = 148039257600. Its totient is φ = 98568700416.

The previous prime is 122220213139. The next prime is 122220213223. The reversal of 122220213143 is 341312022221.

It is a cyclic number.

It is not a de Polignac number, because 122220213143 - 2² = 122220213139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220213113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12669680 + ... + 12679322.

It is an arithmetic number, because the mean of its divisors is an integer number (4626226800).

Almost surely, 2^122220213143 is an apocalyptic number.

122220213143 is a deficient number, since it is larger than the sum of its proper divisors (25819044457).

122220213143 is a wasteful number, since it uses less digits than its factorization.

122220213143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10311.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122220213143 its reverse (341312022221), we get a palindrome (463532235364).

The spelling of 122220213143 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred thirteen thousand, one hundred forty-three".