1323212131033 has 8 divisors (see below), whose sum is σ = 1426880117768. Its totient is φ = 1219813064064.

The previous prime is 1323212130983. The next prime is 1323212131039. The reversal of 1323212131033 is 3301312123231.

It can be written as a sum of positive squares in 4 ways, for example, as 234253096009 + 1088959035024 = 483997^2 + 1043532^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323212131033 - 2²¹ = 1323210033881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323212130989 and 1323212131007.

It is not an unprimeable number, because it can be changed into a prime (1323212131039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67219716 + ... + 67239397.

It is an arithmetic number, because the mean of its divisors is an integer number (178360014721).

Almost surely, 2^{1323212131033} is an apocalyptic number.

1323212131033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323212131033 is a deficient number, since it is larger than the sum of its proper divisors (103667986735).

1323212131033 is a wasteful number, since it uses less digits than its factorization.

1323212131033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134459883.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1323212131033 its reverse (3301312123231), we get a palindrome (4624524254264).

The spelling of 1323212131033 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred thirty-one thousand, thirty-three".