1200322232312 has 192 divisors, whose sum is σ = 2899328256000. Its totient is φ = 462032169984.

The previous prime is 1200322232299. The next prime is 1200322232339. The reversal of 1200322232312 is 2132322230021.

It is a super-2 number, since 2×1200322232312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67277489 + ... + 67295327.

It is an arithmetic number, because the mean of its divisors is an integer number (15100668000).

Almost surely, 2^{1200322232312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200322232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449664128000).

1200322232312 is an abundant number, since it is smaller than the sum of its proper divisors (1699006023688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200322232312 is a wasteful number, since it uses less digits than its factorization.

1200322232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18338 (or 18327 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1200322232312 its reverse (2132322230021), we get a palindrome (3332644462333).

The spelling of 1200322232312 in words is "one trillion, two hundred billion, three hundred twenty-two million, two hundred thirty-two thousand, three hundred twelve".