12223231012126 has 4 divisors (see below), whose sum is σ = 18334846518192. Its totient is φ = 6111615506062.

The previous prime is 12223231012021. The next prime is 12223231012127. The reversal of 12223231012126 is 62121013232221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12223231012094 and 12223231012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223231012127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055807753030 + ... + 3055807753033.

It is an arithmetic number, because the mean of its divisors is an integer number (4583711629548).

Almost surely, 2^{12223231012126} is an apocalyptic number.

12223231012126 is a deficient number, since it is larger than the sum of its proper divisors (6111615506066).

12223231012126 is an equidigital number, since it uses as much as digits as its factorization.

12223231012126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111615506065.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12223231012126 its reverse (62121013232221), we get a palindrome (74344244244347).

The spelling of 12223231012126 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, twelve thousand, one hundred twenty-six".