2012123222330 has 192 divisors, whose sum is σ = 4109568680448. Its totient is φ = 708295311360.

The previous prime is 2012123222327. The next prime is 2012123222363. The reversal of 2012123222330 is 332223212102.

It is a super-2 number, since 2×2012123222330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012123222296 and 2012123222305.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1970737220 + ... + 1970738240.

It is an arithmetic number, because the mean of its divisors is an integer number (21404003544).

Almost surely, 2^{2012123222330} is an apocalyptic number.

2012123222330 is an abundant number, since it is smaller than the sum of its proper divisors (2097445458118).

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

2012123222330 is a wasteful number, since it uses less digits than its factorization.

2012123222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1708 counting only the distinct ones).

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

Adding to 2012123222330 its reverse (332223212102), we get a palindrome (2344346434432).

The spelling of 2012123222330 in words is "two trillion, twelve billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred thirty".