12101220223 has 2 divisors, whose sum is σ = 12101220224. Its totient is φ = 12101220222.

The previous prime is 12101220149. The next prime is 12101220247. The reversal of 12101220223 is 32202210121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12101220223 - 2¹³ = 12101212031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101220197 and 12101220206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101226223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050610111 + 6050610112.

It is an arithmetic number, because the mean of its divisors is an integer number (6050610112).

Almost surely, 2^12101220223 is an apocalyptic number.

12101220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101220223 is an equidigital number, since it uses as much as digits as its factorization.

12101220223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12101220223 its reverse (32202210121), we get a palindrome (44303430344).

It can be divided in two parts, 12101 and 220223, that added together give a square (232324 = 482²).

The spelling of 12101220223 in words is "twelve billion, one hundred one million, two hundred twenty thousand, two hundred twenty-three".