10121101121212 has 24 divisors (see below), whose sum is σ = 18010277937792. Its totient is φ = 4975885345200.

The previous prime is 10121101121203. The next prime is 10121101121227. The reversal of 10121101121212 is 21212110112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72169864 + ... + 72309967.

It is an arithmetic number, because the mean of its divisors is an integer number (750428247408).

Almost surely, 2^{10121101121212} is an apocalyptic number.

It is an amenable number.

10121101121212 is a deficient number, since it is larger than the sum of its proper divisors (7889176816580).

10121101121212 is a wasteful number, since it uses less digits than its factorization.

10121101121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144480129 (or 144480127 counting only the distinct ones).

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

Adding to 10121101121212 its reverse (21212110112101), we get a palindrome (31333211233313).

The spelling of 10121101121212 in words is "ten trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, two hundred twelve".