122111200012 has 6 divisors (see below), whose sum is σ = 213694600028. Its totient is φ = 61055600004.

The previous prime is 122111199983. The next prime is 122111200019. The reversal of 122111200012 is 210002111221.

It is a super-2 number, since 2×122111200012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111199965 and 122111200001.

It is not an unprimeable number, because it can be changed into a prime (122111200019) 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 as a sum of consecutive naturals, namely, 15263899998 + ... + 15263900005.

Almost surely, 2^122111200012 is an apocalyptic number.

It is an amenable number.

122111200012 is a deficient number, since it is larger than the sum of its proper divisors (91583400016).

122111200012 is a wasteful number, since it uses less digits than its factorization.

122111200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30527800007 (or 30527800005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122111200012 its reverse (210002111221), we get a palindrome (332113311233).

The spelling of 122111200012 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred thousand, twelve".