122621214342 has 16 divisors (see below), whose sum is σ = 267537195072. Its totient is φ = 37157943720.

The previous prime is 122621214341. The next prime is 122621214383. The reversal of 122621214342 is 243412126221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621214341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928948528 + ... + 928948659.

It is an arithmetic number, because the mean of its divisors is an integer number (16721074692).

Almost surely, 2^122621214342 is an apocalyptic number.

122621214342 is an abundant number, since it is smaller than the sum of its proper divisors (144915980730).

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

122621214342 is a wasteful number, since it uses less digits than its factorization.

122621214342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857897203.

The product of its digits is 9216, while the sum is 30.

The spelling of 122621214342 in words is "one hundred twenty-two billion, six hundred twenty-one million, two hundred fourteen thousand, three hundred forty-two".