10121110221212 has 18 divisors (see below), whose sum is σ = 18007062628464. Its totient is φ = 4977595183440.

The previous prime is 10121110221181. The next prime is 10121110221227. The reversal of 10121110221212 is 21212201112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339984788 + ... + 340014555.

It is an arithmetic number, because the mean of its divisors is an integer number (1000392368248).

Almost surely, 2^{10121110221212} is an apocalyptic number.

It is an amenable number.

10121110221212 is a deficient number, since it is larger than the sum of its proper divisors (7885952407252).

10121110221212 is an equidigital number, since it uses as much as digits as its factorization.

10121110221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679999469 (or 679999406 counting only the distinct ones).

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

Adding to 10121110221212 its reverse (21212201112101), we get a palindrome (31333311333313).

The spelling of 10121110221212 in words is "ten trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two hundred twelve".