1213230223232 has 32 divisors (see below), whose sum is σ = 2417195714400. Its totient is φ = 606561495040.

The previous prime is 1213230223169. The next prime is 1213230223267. The reversal of 1213230223232 is 2323220323121.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1055144 + ... + 1881432.

It is an arithmetic number, because the mean of its divisors is an integer number (75537366075).

Almost surely, 2^{1213230223232} is an apocalyptic number.

It is an amenable number.

1213230223232 is a deficient number, since it is larger than the sum of its proper divisors (1203965491168).

1213230223232 is an equidigital number, since it uses as much as digits as its factorization.

1213230223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837774 (or 837762 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1213230223232 its reverse (2323220323121), we get a palindrome (3536450546353).

The spelling of 1213230223232 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, two hundred twenty-three thousand, two hundred thirty-two".