1245422131352 has 32 divisors (see below), whose sum is σ = 2696274729120. Its totient is φ = 528249738240.

The previous prime is 1245422131333. The next prime is 1245422131381. The reversal of 1245422131352 is 2531312245421.

It is a super-2 number, since 2×1245422131352² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 114632099 + ... + 114642962.

It is an arithmetic number, because the mean of its divisors is an integer number (84258585285).

Almost surely, 2^{1245422131352} is an apocalyptic number.

It is an amenable number.

1245422131352 is an abundant number, since it is smaller than the sum of its proper divisors (1450852597768).

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

1245422131352 is a wasteful number, since it uses less digits than its factorization.

1245422131352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229275171 (or 229275167 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 1245422131352 its reverse (2531312245421), we get a palindrome (3776734376773).

The spelling of 1245422131352 in words is "one trillion, two hundred forty-five billion, four hundred twenty-two million, one hundred thirty-one thousand, three hundred fifty-two".