122442403012 has 12 divisors (see below), whose sum is σ = 221662971180. Its totient is φ = 59110125536.

The previous prime is 122442403001. The next prime is 122442403073. The reversal of 122442403012 is 210304244221.

It can be written as a sum of positive squares in 2 ways, for example, as 34201324096 + 88241078916 = 184936^2 + 297054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527768863 + ... + 527769094.

It is an arithmetic number, because the mean of its divisors is an integer number (18471914265).

Almost surely, 2^122442403012 is an apocalyptic number.

It is an amenable number.

122442403012 is a deficient number, since it is larger than the sum of its proper divisors (99220568168).

122442403012 is a wasteful number, since it uses less digits than its factorization.

122442403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055537990 (or 1055537988 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 122442403012 its reverse (210304244221), we get a palindrome (332746647233).

The spelling of 122442403012 in words is "one hundred twenty-two billion, four hundred forty-two million, four hundred three thousand, twelve".