1222250253152 has 12 divisors (see below), whose sum is σ = 2406305185956. Its totient is φ = 611125126560.

The previous prime is 1222250253127. The next prime is 1222250253157. The reversal of 1222250253152 is 2513520522221.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 38195320411 = 1222250253152 / (1 + 2 + 2 + 2 + 2 + 5 + 0 + 2 + 5 + 3 + 1 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222250253157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19097660174 + ... + 19097660237.

It is an arithmetic number, because the mean of its divisors is an integer number (200525432163).

Almost surely, 2^{1222250253152} is an apocalyptic number.

It is an amenable number.

1222250253152 is a deficient number, since it is larger than the sum of its proper divisors (1184054932804).

1222250253152 is an equidigital number, since it uses as much as digits as its factorization.

1222250253152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38195320421 (or 38195320413 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 1222250253152 its reverse (2513520522221), we get a palindrome (3735770775373).

The spelling of 1222250253152 in words is "one trillion, two hundred twenty-two billion, two hundred fifty million, two hundred fifty-three thousand, one hundred fifty-two".