1222123012312 has 32 divisors (see below), whose sum is σ = 2391194947680. Its totient is φ = 584472908800.

The previous prime is 1222123012307. The next prime is 1222123012351. The reversal of 1222123012312 is 2132103212221.

It is a congruent number.

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, 5934138 + ... + 6136630.

It is an arithmetic number, because the mean of its divisors is an integer number (74724842115).

Almost surely, 2^{1222123012312} is an apocalyptic number.

It is an amenable number.

1222123012312 is a deficient number, since it is larger than the sum of its proper divisors (1169071935368).

1222123012312 is a wasteful number, since it uses less digits than its factorization.

1222123012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235323 (or 235319 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222123012312 its reverse (2132103212221), we get a palindrome (3354226224533).

The spelling of 1222123012312 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-three million, twelve thousand, three hundred twelve".