12312113220001 has 16 divisors (see below), whose sum is σ = 14244559344000. Its totient is φ = 10423851666048.

The previous prime is 12312113219999. The next prime is 12312113220013. The reversal of 12312113220001 is 10002231121321.

It is a cyclic number.

It is not a de Polignac number, because 12312113220001 - 2¹ = 12312113219999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312113220401) 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, 32786820 + ... + 33160213.

It is an arithmetic number, because the mean of its divisors is an integer number (890284959000).

Almost surely, 2^{12312113220001} is an apocalyptic number.

It is an amenable number.

12312113220001 is a deficient number, since it is larger than the sum of its proper divisors (1932446123999).

12312113220001 is a wasteful number, since it uses less digits than its factorization.

12312113220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65947368.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12312113220001 its reverse (10002231121321), we get a palindrome (22314344341322).

The spelling of 12312113220001 in words is "twelve trillion, three hundred twelve billion, one hundred thirteen million, two hundred twenty thousand, one".