1223300302312 has 32 divisors (see below), whose sum is σ = 2502539831520. Its totient is φ = 555971221440.

The previous prime is 1223300302291. The next prime is 1223300302351. The reversal of 1223300302312 is 2132030033221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265263 + ... + 1586494.

It is an arithmetic number, because the mean of its divisors is an integer number (78204369735).

Almost surely, 2^{1223300302312} is an apocalyptic number.

It is an amenable number.

1223300302312 is an abundant number, since it is smaller than the sum of its proper divisors (1279239529208).

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

1223300302312 is a wasteful number, since it uses less digits than its factorization.

1223300302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859281 (or 1859277 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1223300302312 its reverse (2132030033221), we get a palindrome (3355330335533).

The spelling of 1223300302312 in words is "one trillion, two hundred twenty-three billion, three hundred million, three hundred two thousand, three hundred twelve".