122331204012 has 12 divisors (see below), whose sum is σ = 285439476056. Its totient is φ = 40777068000.

The previous prime is 122331204011. The next prime is 122331204031. The reversal of 122331204012 is 210402133221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×122331204012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122331204012.

It is not an unprimeable number, because it can be changed into a prime (122331204011) 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 3 ways as a sum of consecutive naturals, for example, 5097133489 + ... + 5097133512.

Almost surely, 2^122331204012 is an apocalyptic number.

122331204012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122331204012 is an abundant number, since it is smaller than the sum of its proper divisors (163108272044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122331204012 is a wasteful number, since it uses less digits than its factorization.

122331204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194267008 (or 10194267006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122331204012 its reverse (210402133221), we get a palindrome (332733337233).

The spelling of 122331204012 in words is "one hundred twenty-two billion, three hundred thirty-one million, two hundred four thousand, twelve".