10201012221212 has 24 divisors (see below), whose sum is σ = 18045411611136. Its totient is φ = 5045291992368.

The previous prime is 10201012221173. The next prime is 10201012221229. The reversal of 10201012221212 is 21212221010201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13591568 + ... + 14322455.

It is an arithmetic number, because the mean of its divisors is an integer number (751892150464).

Almost surely, 2^{10201012221212} is an apocalyptic number.

It is an amenable number.

10201012221212 is a deficient number, since it is larger than the sum of its proper divisors (7844399389924).

10201012221212 is a wasteful number, since it uses less digits than its factorization.

10201012221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27915017 (or 27915015 counting only the distinct ones).

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

Adding to 10201012221212 its reverse (21212221010201), we get a palindrome (31413233231413).

The spelling of 10201012221212 in words is "ten trillion, two hundred one billion, twelve million, two hundred twenty-one thousand, two hundred twelve".