10121100111212 has 12 divisors (see below), whose sum is σ = 17712029863080. Its totient is φ = 5060520150336.

The previous prime is 10121100111211. The next prime is 10121100111247. The reversal of 10121100111212 is 21211100112101.

It is a super-2 number, since 2×10121100111212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121100111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6706013 + ... + 8075444.

It is an arithmetic number, because the mean of its divisors is an integer number (1476002488590).

Almost surely, 2^{10121100111212} is an apocalyptic number.

It is an amenable number.

10121100111212 is a deficient number, since it is larger than the sum of its proper divisors (7590929751868).

10121100111212 is a wasteful number, since it uses less digits than its factorization.

10121100111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14952640 (or 14952638 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121100111212 its reverse (21211100112101), we get a palindrome (31332200223313).

The spelling of 10121100111212 in words is "ten trillion, one hundred twenty-one billion, one hundred million, one hundred eleven thousand, two hundred twelve".