1312302356436 has 48 divisors (see below), whose sum is σ = 3138480576000. Its totient is φ = 426547840992.

The previous prime is 1312302356419. The next prime is 1312302356441. The reversal of 1312302356436 is 6346532032131.

It is a junction number, because it is equal to n+sod(n) for n = 1312302356394 and 1312302356403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1813806 + ... + 2431973.

It is an arithmetic number, because the mean of its divisors is an integer number (65385012000).

Almost surely, 2^{1312302356436} is an apocalyptic number.

It is an amenable number.

1312302356436 is an abundant number, since it is smaller than the sum of its proper divisors (1826178219564).

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

1312302356436 is a wasteful number, since it uses less digits than its factorization.

1312302356436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246428 (or 4246426 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 1312302356436 its reverse (6346532032131), we get a palindrome (7658834388567).

The spelling of 1312302356436 in words is "one trillion, three hundred twelve billion, three hundred two million, three hundred fifty-six thousand, four hundred thirty-six".