122420100132442 has 48 divisors (see below), whose sum is σ = 214551505728000. Its totient is φ = 52234670716704.

The previous prime is 122420100132439. The next prime is 122420100132467. The reversal of 122420100132442 is 244231001024221.

It is a self number, because there is not a number n which added to its sum of digits gives 122420100132442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697387159 + ... + 697562677.

It is an arithmetic number, because the mean of its divisors is an integer number (4469823036000).

Almost surely, 2^{122420100132442} is an apocalyptic number.

122420100132442 is a deficient number, since it is larger than the sum of its proper divisors (92131405595558).

122420100132442 is a wasteful number, since it uses less digits than its factorization.

122420100132442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206843 (or 206836 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 122420100132442 its reverse (244231001024221), we get a palindrome (366651101156663).

The spelling of 122420100132442 in words is "one hundred twenty-two trillion, four hundred twenty billion, one hundred million, one hundred thirty-two thousand, four hundred forty-two".