12021300031102 has 4 divisors (see below), whose sum is σ = 18031950046656. Its totient is φ = 6010650015550.

The previous prime is 12021300031079. The next prime is 12021300031109. The reversal of 12021300031102 is 20113000312021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021300031109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005325007774 + ... + 3005325007777.

It is an arithmetic number, because the mean of its divisors is an integer number (4507987511664).

Almost surely, 2^{12021300031102} is an apocalyptic number.

12021300031102 is a deficient number, since it is larger than the sum of its proper divisors (6010650015554).

12021300031102 is an equidigital number, since it uses as much as digits as its factorization.

12021300031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010650015553.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12021300031102 its reverse (20113000312021), we get a palindrome (32134300343123).

The spelling of 12021300031102 in words is "twelve trillion, twenty-one billion, three hundred million, thirty-one thousand, one hundred two".