1213103222232 has 64 divisors (see below), whose sum is σ = 3378856204800. Its totient is φ = 359785607040.

The previous prime is 1213103222189. The next prime is 1213103222237. The reversal of 1213103222232 is 2322223013121.

It is a super-2 number, since 2×1213103222232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213103222237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48871507 + ... + 48896322.

It is an arithmetic number, because the mean of its divisors is an integer number (52794628200).

Almost surely, 2^{1213103222232} is an apocalyptic number.

1213103222232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213103222232 is an abundant number, since it is smaller than the sum of its proper divisors (2165752982568).

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

1213103222232 is a wasteful number, since it uses less digits than its factorization.

1213103222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97767896 (or 97767892 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1213103222232 its reverse (2322223013121), we get a palindrome (3535326235353).

The spelling of 1213103222232 in words is "one trillion, two hundred thirteen billion, one hundred three million, two hundred twenty-two thousand, two hundred thirty-two".