12100202222 has 4 divisors (see below), whose sum is σ = 18150303336. Its totient is φ = 6050101110.

The previous prime is 12100202171. The next prime is 12100202249. The reversal of 12100202222 is 22220200121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22220200121 = 7 ⋅3174314303.

It is a junction number, because it is equal to n+sod(n) for n = 12100202197 and 12100202206.

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, 3025050554 + ... + 3025050557.

It is an arithmetic number, because the mean of its divisors is an integer number (4537575834).

Almost surely, 2^12100202222 is an apocalyptic number.

12100202222 is a deficient number, since it is larger than the sum of its proper divisors (6050101114).

12100202222 is an equidigital number, since it uses as much as digits as its factorization.

12100202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050101113.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12100202222 its reverse (22220200121), we get a palindrome (34320402343).

The spelling of 12100202222 in words is "twelve billion, one hundred million, two hundred two thousand, two hundred twenty-two".