10010101221212 has 24 divisors (see below), whose sum is σ = 17594764488000. Its totient is φ = 4983034681856.

The previous prime is 10010101221187. The next prime is 10010101221229. The reversal of 10010101221212 is 21212210101001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318308 + ... + 5570580.

It is an arithmetic number, because the mean of its divisors is an integer number (733115187000).

Almost surely, 2^{10010101221212} is an apocalyptic number.

It is an amenable number.

10010101221212 is a deficient number, since it is larger than the sum of its proper divisors (7584663266788).

10010101221212 is a wasteful number, since it uses less digits than its factorization.

10010101221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257165 (or 2257163 counting only the distinct ones).

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

Adding to 10010101221212 its reverse (21212210101001), we get a palindrome (31222311322213).

It can be divided in two parts, 1001010 and 1221212, that added together give a palindrome (2222222).

The spelling of 10010101221212 in words is "ten trillion, ten billion, one hundred one million, two hundred twenty-one thousand, two hundred twelve".