1232445221253 has 6 divisors (see below), whose sum is σ = 1780198652934. Its totient is φ = 821630147496.

The previous prime is 1232445221243. The next prime is 1232445221269. The reversal of 1232445221253 is 3521225442321.

1232445221253 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 4 + 4 + 522 + 125 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1211269732929 + 21175488324 = 1100577^2 + 145518^2 .

It is not a de Polignac number, because 1232445221253 - 2¹³ = 1232445213061 is a prime.

It is a super-2 number, since 2×1232445221253² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232445221243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68469178950 + ... + 68469178967.

It is an arithmetic number, because the mean of its divisors is an integer number (296699775489).

Almost surely, 2^{1232445221253} is an apocalyptic number.

It is an amenable number.

1232445221253 is a deficient number, since it is larger than the sum of its proper divisors (547753431681).

1232445221253 is a wasteful number, since it uses less digits than its factorization.

1232445221253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136938357923 (or 136938357920 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 1232445221253 in words is "one trillion, two hundred thirty-two billion, four hundred forty-five million, two hundred twenty-one thousand, two hundred fifty-three".