10012121202122 has 8 divisors (see below), whose sum is σ = 16173426557316. Its totient is φ = 4620979016352.

The previous prime is 10012121202107. The next prime is 10012121202131. The reversal of 10012121202122 is 22120212121001.

It can be written as a sum of positive squares in 2 ways, for example, as 8070025326841 + 1942095875281 = 2840779^2 + 1393591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10012121202122.

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 3 ways as a sum of consecutive naturals, for example, 192540792323 + ... + 192540792374.

Almost surely, 2^{10012121202122} is an apocalyptic number.

10012121202122 is a deficient number, since it is larger than the sum of its proper divisors (6161305355194).

10012121202122 is a wasteful number, since it uses less digits than its factorization.

10012121202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385081584712.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10012121202122 its reverse (22120212121001), we get a palindrome (32132333323123).

The spelling of 10012121202122 in words is "ten trillion, twelve billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-two".