10012121222122 has 16 divisors (see below), whose sum is σ = 15023469899592. Its totient is φ = 5004298091520.

The previous prime is 10012121222099. The next prime is 10012121222219. The reversal of 10012121222122 is 22122212121001.

It can be written as a sum of positive squares in 4 ways, for example, as 9404826759441 + 607294462681 = 3066729^2 + 779291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10012121222122.

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 7 ways as a sum of consecutive naturals, for example, 187631398 + ... + 187684750.

Almost surely, 2^{10012121222122} is an apocalyptic number.

10012121222122 is a deficient number, since it is larger than the sum of its proper divisors (5011348677470).

10012121222122 is a wasteful number, since it uses less digits than its factorization.

10012121222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84633.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10012121222122 its reverse (22122212121001), we get a palindrome (32134333343123).

The spelling of 10012121222122 in words is "ten trillion, twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".