1220213323132 has 12 divisors (see below), whose sum is σ = 2171566083960. Its totient is φ = 599765870576.

The previous prime is 1220213323103. The next prime is 1220213323171. The reversal of 1220213323132 is 2313233120221.

It is a junction number, because it is equal to n+sod(n) for n = 1220213323097 and 1220213323106.

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, 2585197483 + ... + 2585197954.

It is an arithmetic number, because the mean of its divisors is an integer number (180963840330).

Almost surely, 2^{1220213323132} is an apocalyptic number.

It is an amenable number.

1220213323132 is a deficient number, since it is larger than the sum of its proper divisors (951352760828).

1220213323132 is a wasteful number, since it uses less digits than its factorization.

1220213323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170395500 (or 5170395498 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1220213323132 its reverse (2313233120221), we get a palindrome (3533446443353).

The spelling of 1220213323132 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, three hundred twenty-three thousand, one hundred thirty-two".