10012021122212 has 12 divisors (see below), whose sum is σ = 17523765717276. Its totient is φ = 5005230917280.

The previous prime is 10012021122211. The next prime is 10012021122241. The reversal of 10012021122212 is 21222112021001.

It can be written as a sum of positive squares in 2 ways, for example, as 5131783438336 + 4880237683876 = 2265344^2 + 2209126^2 .

It is not an unprimeable number, because it can be changed into a prime (10012021122211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194882063 + ... + 194933430.

It is an arithmetic number, because the mean of its divisors is an integer number (1460313809773).

Almost surely, 2^{10012021122212} is an apocalyptic number.

It is an amenable number.

10012021122212 is a deficient number, since it is larger than the sum of its proper divisors (7511744595064).

10012021122212 is a wasteful number, since it uses less digits than its factorization.

10012021122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389821918 (or 389821916 counting only the distinct ones).

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

Adding to 10012021122212 its reverse (21222112021001), we get a palindrome (31234133143213).

The spelling of 10012021122212 in words is "ten trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred twelve".