13121302312194 has 96 divisors (see below), whose sum is σ = 29095116779520. Its totient is φ = 3936700255488.

The previous prime is 13121302312193. The next prime is 13121302312219. The reversal of 13121302312194 is 49121320312131.

It is a super-2 number, since 2×13121302312194² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121302312193) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 210505917 + ... + 210568239.

It is an arithmetic number, because the mean of its divisors is an integer number (303074133120).

Almost surely, 2^{13121302312194} is an apocalyptic number.

13121302312194 is an abundant number, since it is smaller than the sum of its proper divisors (15973814467326).

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

13121302312194 is a wasteful number, since it uses less digits than its factorization.

13121302312194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67664 (or 67647 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 13121302312194 in words is "thirteen trillion, one hundred twenty-one billion, three hundred two million, three hundred twelve thousand, one hundred ninety-four".