122112011420402 has 8 divisors (see below), whose sum is σ = 183168460040412. Its totient is φ = 61055858073600.

The previous prime is 122112011420317. The next prime is 122112011420407. The reversal of 122112011420402 is 204024110211221.

It can be written as a sum of positive squares in 2 ways, for example, as 105289372845721 + 16822638574681 = 10261061^2 + 4101541^2 .

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

It is a super-2 number, since 2×122112011420402² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112011420407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72781499 + ... + 74440382.

Almost surely, 2^{122112011420402} is an apocalyptic number.

122112011420402 is a deficient number, since it is larger than the sum of its proper divisors (61056448620010).

122112011420402 is a wasteful number, since it uses less digits than its factorization.

122112011420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147636604.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122112011420402 its reverse (204024110211221), we get a palindrome (326136121631623).

The spelling of 122112011420402 in words is "one hundred twenty-two trillion, one hundred twelve billion, eleven million, four hundred twenty thousand, four hundred two".