1213532212333 has 24 divisors (see below), whose sum is σ = 1428350147640. Its totient is φ = 1027885985280.

The previous prime is 1213532212283. The next prime is 1213532212391. The reversal of 1213532212333 is 3332122353121.

It can be written as a sum of positive squares in 4 ways, for example, as 283538145289 + 929994067044 = 532483^2 + 964362^2 .

It is not a de Polignac number, because 1213532212333 - 2²⁵ = 1213498657901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213532212295 and 1213532212304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213532212133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7512585 + ... + 7672417.

It is an arithmetic number, because the mean of its divisors is an integer number (59514589485).

Almost surely, 2^{1213532212333} is an apocalyptic number.

It is an amenable number.

1213532212333 is a deficient number, since it is larger than the sum of its proper divisors (214817935307).

1213532212333 is a wasteful number, since it uses less digits than its factorization.

1213532212333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161677 (or 161670 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

Adding to 1213532212333 its reverse (3332122353121), we get a palindrome (4545654565454).

The spelling of 1213532212333 in words is "one trillion, two hundred thirteen billion, five hundred thirty-two million, two hundred twelve thousand, three hundred thirty-three".