1213605947336 has 16 divisors (see below), whose sum is σ = 2275573142400. Its totient is φ = 606786442704.

The previous prime is 1213605947201. The next prime is 1213605947387. The reversal of 1213605947336 is 6337495063121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751540 + ... + 2344163.

It is an arithmetic number, because the mean of its divisors is an integer number (142223321400).

Almost surely, 2^{1213605947336} is an apocalyptic number.

It is an amenable number.

1213605947336 is a deficient number, since it is larger than the sum of its proper divisors (1061967195064).

1213605947336 is a wasteful number, since it uses less digits than its factorization.

1213605947336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132748 (or 4132744 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 1213605947336 in words is "one trillion, two hundred thirteen billion, six hundred five million, nine hundred forty-seven thousand, three hundred thirty-six".