123020001122 has 16 divisors (see below), whose sum is σ = 184737635712. Its totient is φ = 61440820560.

The previous prime is 123020001121. The next prime is 123020001149. The reversal of 123020001122 is 221100020321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123020001097 and 123020001106.

It is not an unprimeable number, because it can be changed into a prime (123020001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15601793 + ... + 15609675.

It is an arithmetic number, because the mean of its divisors is an integer number (11546102232).

Almost surely, 2^123020001122 is an apocalyptic number.

123020001122 is a deficient number, since it is larger than the sum of its proper divisors (61717634590).

123020001122 is a wasteful number, since it uses less digits than its factorization.

123020001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 123020001122 its reverse (221100020321), we get a palindrome (344120021443).

The spelling of 123020001122 in words is "one hundred twenty-three billion, twenty million, one thousand, one hundred twenty-two".