10121212011212 has 6 divisors (see below), whose sum is σ = 17712121019628. Its totient is φ = 5060606005604.

The previous prime is 10121212011139. The next prime is 10121212011227. The reversal of 10121212011212 is 21211021212101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265151501398 + ... + 1265151501405.

It is an arithmetic number, because the mean of its divisors is an integer number (2952020169938).

Almost surely, 2^{10121212011212} is an apocalyptic number.

It is an amenable number.

10121212011212 is a deficient number, since it is larger than the sum of its proper divisors (7590909008416).

10121212011212 is a wasteful number, since it uses less digits than its factorization.

10121212011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530303002807 (or 2530303002805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10121212011212 its reverse (21211021212101), we get a palindrome (31332233223313).

The spelling of 10121212011212 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, eleven thousand, two hundred twelve".