12031212101102 has 4 divisors (see below), whose sum is σ = 18046818151656. Its totient is φ = 6015606050550.

The previous prime is 12031212101099. The next prime is 12031212101123. The reversal of 12031212101102 is 20110121213021.

It is a happy number.

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

It is a super-2 number, since 2×12031212101102² (a number of 27 digits) contains 22 as substring.

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, 3007803025274 + ... + 3007803025277.

It is an arithmetic number, because the mean of its divisors is an integer number (4511704537914).

Almost surely, 2^{12031212101102} is an apocalyptic number.

12031212101102 is a deficient number, since it is larger than the sum of its proper divisors (6015606050554).

12031212101102 is an equidigital number, since it uses as much as digits as its factorization.

12031212101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015606050553.

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

Adding to 12031212101102 its reverse (20110121213021), we get a palindrome (32141333314123).

The spelling of 12031212101102 in words is "twelve trillion, thirty-one billion, two hundred twelve million, one hundred one thousand, one hundred two".