1235405212445 has 8 divisors (see below), whose sum is σ = 1482492236544. Its totient is φ = 988320182224.

The previous prime is 1235405212441. The next prime is 1235405212463. The reversal of 1235405212445 is 5442125045321.

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 1235405212445 - 2² = 1235405212441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1235405212399 and 1235405212408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235405212441) 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 7 ways as a sum of consecutive naturals, for example, 2038172 + ... + 2573898.

It is an arithmetic number, because the mean of its divisors is an integer number (185311529568).

Almost surely, 2^{1235405212445} is an apocalyptic number.

It is an amenable number.

1235405212445 is a deficient number, since it is larger than the sum of its proper divisors (247087024099).

1235405212445 is an equidigital number, since it uses as much as digits as its factorization.

1235405212445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996939.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 1235405212445 in words is "one trillion, two hundred thirty-five billion, four hundred five million, two hundred twelve thousand, four hundred forty-five".