1226320130252 has 24 divisors (see below), whose sum is σ = 2480198021280. Its totient is φ = 519660535680.

The previous prime is 1226320130251. The next prime is 1226320130261. The reversal of 1226320130252 is 2520310236221.

It is a super-2 number, since 2×1226320130252² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1226320130251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246048899 + ... + 246053882.

It is an arithmetic number, because the mean of its divisors is an integer number (103341584220).

Almost surely, 2^{1226320130252} is an apocalyptic number.

It is an amenable number.

1226320130252 is an abundant number, since it is smaller than the sum of its proper divisors (1253877891028).

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

1226320130252 is a wasteful number, since it uses less digits than its factorization.

1226320130252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492102881 (or 492102879 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1226320130252 its reverse (2520310236221), we get a palindrome (3746630366473).

The spelling of 1226320130252 in words is "one trillion, two hundred twenty-six billion, three hundred twenty million, one hundred thirty thousand, two hundred fifty-two".