10012121002 has 16 divisors (see below), whose sum is σ = 16176193992. Its totient is φ = 4620188160.

The previous prime is 10012120973. The next prime is 10012121051. The reversal of 10012121002 is 20012121001.

10012121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9733598281 + 278522721 = 98659^2 + 16689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10012121002.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 138798 + ... + 198214.

Almost surely, 2^10012121002 is an apocalyptic number.

10012121002 is a deficient number, since it is larger than the sum of its proper divisors (6164072990).

10012121002 is a wasteful number, since it uses less digits than its factorization.

10012121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65913.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012121002 its reverse (20012121001), we get a palindrome (30024242003).

Subtracting 10012121002 from its reverse (20012121001), we obtain a palindrome (9999999999).

The spelling of 10012121002 in words is "ten billion, twelve million, one hundred twenty-one thousand, two".