122134420400142 has 8 divisors (see below), whose sum is σ = 244268840800296. Its totient is φ = 40711473466712.

The previous prime is 122134420400141. The next prime is 122134420400203. The reversal of 122134420400142 is 241004024431221.

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

122134420400142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122134420400141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10177868366673 + ... + 10177868366684.

It is an arithmetic number, because the mean of its divisors is an integer number (30533605100037).

Almost surely, 2^{122134420400142} is an apocalyptic number.

122134420400142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122134420400142 is a wasteful number, since it uses less digits than its factorization.

122134420400142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20355736733362.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 122134420400142 its reverse (241004024431221), we get a palindrome (363138444831363).

The spelling of 122134420400142 in words is "one hundred twenty-two trillion, one hundred thirty-four billion, four hundred twenty million, four hundred thousand, one hundred forty-two".