12202101231 has 4 divisors (see below), whose sum is σ = 16269468312. Its totient is φ = 8134734152.

The previous prime is 12202101217. The next prime is 12202101259. The reversal of 12202101231 is 13210120221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13210120221 = 3 ⋅4403373407.

It is a cyclic number.

It is not a de Polignac number, because 12202101231 - 2¹¹ = 12202099183 is a prime.

It is a super-2 number, since 2×12202101231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12202101231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202101731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033683536 + ... + 2033683541.

It is an arithmetic number, because the mean of its divisors is an integer number (4067367078).

Almost surely, 2^12202101231 is an apocalyptic number.

12202101231 is a deficient number, since it is larger than the sum of its proper divisors (4067367081).

12202101231 is an equidigital number, since it uses as much as digits as its factorization.

12202101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067367080.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12202101231 its reverse (13210120221), we get a palindrome (25412221452).

The spelling of 12202101231 in words is "twelve billion, two hundred two million, one hundred one thousand, two hundred thirty-one".