12140354332464 has 80 divisors (see below), whose sum is σ = 32459633760000. Its totient is φ = 3905363766528.

The previous prime is 12140354332459. The next prime is 12140354332487. The reversal of 12140354332464 is 46423345304121.

It is a super-2 number, since 2×12140354332464² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 806037 + ... + 4993035.

It is an arithmetic number, because the mean of its divisors is an integer number (405745422000).

Almost surely, 2^{12140354332464} 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 12140354332464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16229816880000).

12140354332464 is an abundant number, since it is smaller than the sum of its proper divisors (20319279427536).

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

12140354332464 is a wasteful number, since it uses less digits than its factorization.

12140354332464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189122 (or 4189116 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 12140354332464 its reverse (46423345304121), we get a palindrome (58563699636585).

The spelling of 12140354332464 in words is "twelve trillion, one hundred forty billion, three hundred fifty-four million, three hundred thirty-two thousand, four hundred sixty-four".