12101110021210 has 32 divisors (see below), whose sum is σ = 24992890215552. Its totient is φ = 4132422312000.

The previous prime is 12101110021127. The next prime is 12101110021241. The reversal of 12101110021210 is 1212001110121.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 344350957 + ... + 344386096.

It is an arithmetic number, because the mean of its divisors is an integer number (781027819236).

Almost surely, 2^{12101110021210} is an apocalyptic number.

12101110021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101110021210 is an abundant number, since it is smaller than the sum of its proper divisors (12891780194342).

12101110021210 is a wasteful number, since it uses less digits than its factorization.

12101110021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688737318.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101110021210 its reverse (1212001110121), we get a palindrome (13313111131331).

The spelling of 12101110021210 in words is "twelve trillion, one hundred one billion, one hundred ten million, twenty-one thousand, two hundred ten".