12253707235645 has 4 divisors (see below), whose sum is σ = 14704448682780. Its totient is φ = 9802965788512.

The previous prime is 12253707235613. The next prime is 12253707235663. The reversal of 12253707235645 is 54653270735221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5930559455076 + 6323147780569 = 2435274^2 + 2514587^2 .

It is a cyclic number.

It is not a de Polignac number, because 12253707235645 - 2⁵ = 12253707235613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12253707235592 and 12253707235601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225370723560 + ... + 1225370723569.

It is an arithmetic number, because the mean of its divisors is an integer number (3676112170695).

Almost surely, 2^{12253707235645} is an apocalyptic number.

It is an amenable number.

12253707235645 is a deficient number, since it is larger than the sum of its proper divisors (2450741447135).

12253707235645 is an equidigital number, since it uses as much as digits as its factorization.

12253707235645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450741447134.

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 12253707235645 in words is "twelve trillion, two hundred fifty-three billion, seven hundred seven million, two hundred thirty-five thousand, six hundred forty-five".