12120211021102 has 4 divisors (see below), whose sum is σ = 18180316531656. Its totient is φ = 6060105510550.

The previous prime is 12120211021081. The next prime is 12120211021181. The reversal of 12120211021102 is 20112011202121.

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, 3030052755274 + ... + 3030052755277.

It is an arithmetic number, because the mean of its divisors is an integer number (4545079132914).

Almost surely, 2^{12120211021102} is an apocalyptic number.

12120211021102 is a deficient number, since it is larger than the sum of its proper divisors (6060105510554).

12120211021102 is an equidigital number, since it uses as much as digits as its factorization.

12120211021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060105510553.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120211021102 its reverse (20112011202121), we get a palindrome (32232222223223).

The spelling of 12120211021102 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred two".