12550312340164 has 27 divisors (see below), whose sum is σ = 22100649593967. Its totient is φ = 6236084371464.

The previous prime is 12550312340087. The next prime is 12550312340233. The reversal of 12550312340164 is 46104321305521.

The square root of 12550312340164 is 3542642.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1154895859 + ... + 1154906725.

Almost surely, 2^{12550312340164} is an apocalyptic number.

12550312340164 is the 3542642-nd square number.

It is an amenable number.

12550312340164 is a deficient number, since it is larger than the sum of its proper divisors (9550337253803).

12550312340164 is an frugal number, since it uses more digits than its factorization.

12550312340164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22064 (or 11032 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 12550312340164 its reverse (46104321305521), we get a palindrome (58654633645685).

The spelling of 12550312340164 in words is "twelve trillion, five hundred fifty billion, three hundred twelve million, three hundred forty thousand, one hundred sixty-four".