1252223363126 has 4 divisors (see below), whose sum is σ = 1878335044692. Its totient is φ = 626111681562.

The previous prime is 1252223363099. The next prime is 1252223363203. The reversal of 1252223363126 is 6213633222521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1252223363126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313055840780 + ... + 313055840783.

It is an arithmetic number, because the mean of its divisors is an integer number (469583761173).

Almost surely, 2^{1252223363126} is an apocalyptic number.

1252223363126 is a deficient number, since it is larger than the sum of its proper divisors (626111681566).

1252223363126 is an equidigital number, since it uses as much as digits as its factorization.

1252223363126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626111681565.

The product of its digits is 155520, while the sum is 38.

Adding to 1252223363126 its reverse (6213633222521), we get a palindrome (7465856585647).

The spelling of 1252223363126 in words is "one trillion, two hundred fifty-two billion, two hundred twenty-three million, three hundred sixty-three thousand, one hundred twenty-six".