10012121210012 has 12 divisors (see below), whose sum is σ = 17544921476040. Its totient is φ = 4999286502576.

The previous prime is 10012121209933. The next prime is 10012121210023. The reversal of 10012121210012 is 21001212121001.

It is a super-2 number, since 2×10012121210012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693522283 + ... + 1693528194.

It is an arithmetic number, because the mean of its divisors is an integer number (1462076789670).

Almost surely, 2^{10012121210012} is an apocalyptic number.

It is an amenable number.

10012121210012 is a deficient number, since it is larger than the sum of its proper divisors (7532800266028).

10012121210012 is a wasteful number, since it uses less digits than its factorization.

10012121210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387051220 (or 3387051218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10012121210012 its reverse (21001212121001), we get a palindrome (31013333331013).

It can be divided in two parts, 1001212121001 and 2, that multiplied together give a palindrome (2002424242002).

The spelling of 10012121210012 in words is "ten trillion, twelve billion, one hundred twenty-one million, two hundred ten thousand, twelve".