1233012222312 has 64 divisors (see below), whose sum is σ = 3345787361280. Its totient is φ = 376401053952.

The previous prime is 1233012222307. The next prime is 1233012222313. The reversal of 1233012222312 is 2132222103321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1233012222313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15519283 + ... + 15598530.

It is an arithmetic number, because the mean of its divisors is an integer number (52277927520).

Almost surely, 2^{1233012222312} is an apocalyptic number.

1233012222312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233012222312 is an abundant number, since it is smaller than the sum of its proper divisors (2112775138968).

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

1233012222312 is a wasteful number, since it uses less digits than its factorization.

1233012222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31117962 (or 31117958 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1233012222312 its reverse (2132222103321), we get a palindrome (3365234325633).

The spelling of 1233012222312 in words is "one trillion, two hundred thirty-three billion, twelve million, two hundred twenty-two thousand, three hundred twelve".