12101011212102 has 16 divisors (see below), whose sum is σ = 24221682895872. Its totient is φ = 4030393658760.

The previous prime is 12101011212091. The next prime is 12101011212127. The reversal of 12101011212102 is 20121211010121.

It is a happy number.

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, 819178318 + ... + 819193089.

It is an arithmetic number, because the mean of its divisors is an integer number (1513855180992).

Almost surely, 2^{12101011212102} is an apocalyptic number.

12101011212102 is an abundant number, since it is smaller than the sum of its proper divisors (12120671683770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101011212102 is a wasteful number, since it uses less digits than its factorization.

12101011212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638372643.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101011212102 its reverse (20121211010121), we get a palindrome (32222222222223).

The spelling of 12101011212102 in words is "twelve trillion, one hundred one billion, eleven million, two hundred twelve thousand, one hundred two".