122444153042 has 16 divisors (see below), whose sum is σ = 183971598720. Its totient is φ = 61120371312.

The previous prime is 122444153009. The next prime is 122444153057. The reversal of 122444153042 is 240351444221.

It is a super-2 number, since 2×122444153042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061808 + ... + 3101540.

It is an arithmetic number, because the mean of its divisors is an integer number (11498224920).

Almost surely, 2^122444153042 is an apocalyptic number.

122444153042 is a deficient number, since it is larger than the sum of its proper divisors (61527445678).

122444153042 is a wasteful number, since it uses less digits than its factorization.

122444153042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42257.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 122444153042 its reverse (240351444221), we get a palindrome (362795597263).

The spelling of 122444153042 in words is "one hundred twenty-two billion, four hundred forty-four million, one hundred fifty-three thousand, forty-two".