1235213950464 has 1200 divisors, whose sum is σ = 4277976129504. Its totient is φ = 352545177600.

The previous prime is 1235213950459. The next prime is 1235213950493. The reversal of 1235213950464 is 4640593125321.

1235213950464 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 2 + 139 + 50 + 464 = 666.

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 119 ways as a sum of consecutive naturals, for example, 17397379549 + ... + 17397379619.

Almost surely, 2^{1235213950464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1235213950464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138988064752).

1235213950464 is an abundant number, since it is smaller than the sum of its proper divisors (3042762179040).

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

1235213950464 is an equidigital number, since it uses as much as digits as its factorization.

1235213950464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1235213950464 in words is "one trillion, two hundred thirty-five billion, two hundred thirteen million, nine hundred fifty thousand, four hundred sixty-four".