1253340123222 has 16 divisors (see below), whose sum is σ = 2734560268992. Its totient is φ = 379800037320.

The previous prime is 1253340123193. The next prime is 1253340123223. The reversal of 1253340123222 is 2223210433521.

It is a super-2 number, since 2×1253340123222² (a number of 25 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 1253340123222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253340123223) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9495000868 + ... + 9495000999.

It is an arithmetic number, because the mean of its divisors is an integer number (170910016812).

Almost surely, 2^{1253340123222} is an apocalyptic number.

1253340123222 is an abundant number, since it is smaller than the sum of its proper divisors (1481220145770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253340123222 is a wasteful number, since it uses less digits than its factorization.

1253340123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18990001883.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1253340123222 its reverse (2223210433521), we get a palindrome (3476550556743).

The spelling of 1253340123222 in words is "one trillion, two hundred fifty-three billion, three hundred forty million, one hundred twenty-three thousand, two hundred twenty-two".