20000312222312 has 16 divisors (see below), whose sum is σ = 37851058179360. Its totient is φ = 9906696707824.

The previous prime is 20000312222299. The next prime is 20000312222339. The reversal of 20000312222312 is 21322221300002.

It is a happy number.

It is a super-2 number, since 2×20000312222312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11682424508 + ... + 11682426219.

It is an arithmetic number, because the mean of its divisors is an integer number (2365691136210).

Almost surely, 2^{20000312222312} is an apocalyptic number.

It is an amenable number.

20000312222312 is a deficient number, since it is larger than the sum of its proper divisors (17850745957048).

20000312222312 is a wasteful number, since it uses less digits than its factorization.

20000312222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23364850840 (or 23364850836 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20000312222312 its reverse (21322221300002), we get a palindrome (41322533522314).

The spelling of 20000312222312 in words is "twenty trillion, three hundred twelve million, two hundred twenty-two thousand, three hundred twelve".