22312123001312 has 12 divisors (see below), whose sum is σ = 43926992158896. Its totient is φ = 11156061500640.

The previous prime is 22312123001293. The next prime is 22312123001323. The reversal of 22312123001312 is 21310032121322.

It is a super-3 number, since 3×22312123001312³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348626921864 + ... + 348626921927.

It is an arithmetic number, because the mean of its divisors is an integer number (3660582679908).

Almost surely, 2^{22312123001312} is an apocalyptic number.

It is an amenable number.

22312123001312 is a deficient number, since it is larger than the sum of its proper divisors (21614869157584).

22312123001312 is an equidigital number, since it uses as much as digits as its factorization.

22312123001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697253843801 (or 697253843793 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22312123001312 its reverse (21310032121322), we get a palindrome (43622155122634).

The spelling of 22312123001312 in words is "twenty-two trillion, three hundred twelve billion, one hundred twenty-three million, one thousand, three hundred twelve".