12210312011102 has 4 divisors (see below), whose sum is σ = 18315468016656. Its totient is φ = 6105156005550.

The previous prime is 12210312011071. The next prime is 12210312011113. The reversal of 12210312011102 is 20111021301221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052578002774 + ... + 3052578002777.

It is an arithmetic number, because the mean of its divisors is an integer number (4578867004164).

Almost surely, 2^{12210312011102} is an apocalyptic number.

12210312011102 is a deficient number, since it is larger than the sum of its proper divisors (6105156005554).

12210312011102 is an equidigital number, since it uses as much as digits as its factorization.

12210312011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105156005553.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12210312011102 its reverse (20111021301221), we get a palindrome (32321333312323).

The spelling of 12210312011102 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, eleven thousand, one hundred two".