1223021123012 has 24 divisors (see below), whose sum is σ = 2307160145472. Its totient is φ = 563923764000.

The previous prime is 1223021122969. The next prime is 1223021123033. The reversal of 1223021123012 is 2103211203221.

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, 11352614 + ... + 11459837.

It is an arithmetic number, because the mean of its divisors is an integer number (96131672728).

Almost surely, 2^{1223021123012} is an apocalyptic number.

It is an amenable number.

1223021123012 is a deficient number, since it is larger than the sum of its proper divisors (1084139022460).

1223021123012 is a wasteful number, since it uses less digits than its factorization.

1223021123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22813499 (or 22813497 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1223021123012 its reverse (2103211203221), we get a palindrome (3326232326233).

The spelling of 1223021123012 in words is "one trillion, two hundred twenty-three billion, twenty-one million, one hundred twenty-three thousand, twelve".