1223222011232 has 24 divisors (see below), whose sum is σ = 2593465899696. Its totient is φ = 564564004992.

The previous prime is 1223222011177. The next prime is 1223222011273. The reversal of 1223222011232 is 2321102223221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223222011198 and 1223222011207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470218348 + ... + 1470219179.

It is an arithmetic number, because the mean of its divisors is an integer number (108061079154).

Almost surely, 2^{1223222011232} is an apocalyptic number.

It is an amenable number.

1223222011232 is an abundant number, since it is smaller than the sum of its proper divisors (1370243888464).

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

1223222011232 is a wasteful number, since it uses less digits than its factorization.

1223222011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940437550 (or 2940437542 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1223222011232 its reverse (2321102223221), we get a palindrome (3544324234453).

The spelling of 1223222011232 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, eleven thousand, two hundred thirty-two".