122222011029986 has 12 divisors (see below), whose sum is σ = 213264937613718. Its totient is φ = 52380861869952.

The previous prime is 122222011029917. The next prime is 122222011030003. The reversal of 122222011029986 is 689920110222221.

It can be written as a sum of positive squares in only one way, i.e., 120874742433025 + 1347268596961 = 10994305^2 + 1160719^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122222011029986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623581688831 + ... + 623581689026.

Almost surely, 2^{122222011029986} is an apocalyptic number.

122222011029986 is a deficient number, since it is larger than the sum of its proper divisors (91042926583732).

122222011029986 is a wasteful number, since it uses less digits than its factorization.

122222011029986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247163377873 (or 1247163377866 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 122222011029986 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, eleven million, twenty-nine thousand, nine hundred eighty-six".