12310621324661 has 16 divisors (see below), whose sum is σ = 13894509225600. Its totient is φ = 10804281566400.

The previous prime is 12310621324607. The next prime is 12310621324667. The reversal of 12310621324661 is 16642312601321.

It is a cyclic number.

It is not a de Polignac number, because 12310621324661 - 2¹⁴ = 12310621308277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310621324667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418520 + ... + 4979598.

It is an arithmetic number, because the mean of its divisors is an integer number (868406826600).

Almost surely, 2^{12310621324661} is an apocalyptic number.

12310621324661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12310621324661 is a deficient number, since it is larger than the sum of its proper divisors (1583887900939).

12310621324661 is a wasteful number, since it uses less digits than its factorization.

12310621324661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569580.

The product of its (nonzero) digits is 62208, while the sum is 38.

Adding to 12310621324661 its reverse (16642312601321), we get a palindrome (28952933925982).

The spelling of 12310621324661 in words is "twelve trillion, three hundred ten billion, six hundred twenty-one million, three hundred twenty-four thousand, six hundred sixty-one".