122200122122012 has 48 divisors (see below), whose sum is σ = 236489777943552. Its totient is φ = 54783948574080.

The previous prime is 122200122122011. The next prime is 122200122122069. The reversal of 122200122122012 is 210221221002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200122122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345444053 + ... + 345797619.

It is an arithmetic number, because the mean of its divisors is an integer number (4926870373824).

Almost surely, 2^{122200122122012} is an apocalyptic number.

It is an amenable number.

122200122122012 is a deficient number, since it is larger than the sum of its proper divisors (114289655821540).

122200122122012 is a wasteful number, since it uses less digits than its factorization.

122200122122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461258 (or 461256 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122200122122012 its reverse (210221221002221), we get a palindrome (332421343124233).

The spelling of 122200122122012 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".