1252453235213 has 8 divisors (see below), whose sum is σ = 1318385611200. Its totient is φ = 1186522237728.

The previous prime is 1252453235179. The next prime is 1252453235233. The reversal of 1252453235213 is 3125323542521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252453235213 - 2¹⁶ = 1252453169677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252453235233) 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 in 7 ways as a sum of consecutive naturals, for example, 1892873 + ... + 2467361.

It is an arithmetic number, because the mean of its divisors is an integer number (164798201400).

Almost surely, 2^{1252453235213} is an apocalyptic number.

It is an amenable number.

1252453235213 is a deficient number, since it is larger than the sum of its proper divisors (65932375987).

1252453235213 is a wasteful number, since it uses less digits than its factorization.

1252453235213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689251.

The product of its digits is 216000, while the sum is 38.

Adding to 1252453235213 its reverse (3125323542521), we get a palindrome (4377776777734).

The spelling of 1252453235213 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-three million, two hundred thirty-five thousand, two hundred thirteen".