2220123233412 has 72 divisors (see below), whose sum is σ = 6460504692096. Its totient is φ = 629690834304.

The previous prime is 2220123233411. The next prime is 2220123233417. The reversal of 2220123233412 is 2143323210222.

2220123233412 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 12 + 3 + 233 + 412 = 666.

It is not an unprimeable number, because it can be changed into a prime (2220123233411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32118808 + ... + 32187855.

Almost surely, 2^{2220123233412} is an apocalyptic number.

It is an amenable number.

2220123233412 is an abundant number, since it is smaller than the sum of its proper divisors (4240381458684).

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

2220123233412 is a wasteful number, since it uses less digits than its factorization.

2220123233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64306817 (or 64306812 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2220123233412 its reverse (2143323210222), we get a palindrome (4363446443634).

The spelling of 2220123233412 in words is "two trillion, two hundred twenty billion, one hundred twenty-three million, two hundred thirty-three thousand, four hundred twelve".