10201121001212 has 12 divisors (see below), whose sum is σ = 17919839935536. Its totient is φ = 5081166733920.

The previous prime is 10201121001209. The next prime is 10201121001217. The reversal of 10201121001212 is 21210012110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201121001217) 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, 4848440489 + ... + 4848442592.

It is an arithmetic number, because the mean of its divisors is an integer number (1493319994628).

Almost surely, 2^{10201121001212} is an apocalyptic number.

It is an amenable number.

10201121001212 is a deficient number, since it is larger than the sum of its proper divisors (7718718934324).

10201121001212 is a wasteful number, since it uses less digits than its factorization.

10201121001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696883348 (or 9696883346 counting only the distinct ones).

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

Adding to 10201121001212 its reverse (21210012110201), we get a palindrome (31411133111413).

The spelling of 10201121001212 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, one thousand, two hundred twelve".