1213441502312 has 16 divisors (see below), whose sum is σ = 2450218418340. Its totient is φ = 560049924096.

The previous prime is 1213441502293. The next prime is 1213441502341. The reversal of 1213441502312 is 2132051443121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1187154068356 + 26287433956 = 1089566^2 + 162134^2 .

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, 5833853273 + ... + 5833853480.

Almost surely, 2^{1213441502312} is an apocalyptic number.

It is an amenable number.

1213441502312 is an abundant number, since it is smaller than the sum of its proper divisors (1236776916028).

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

1213441502312 is a wasteful number, since it uses less digits than its factorization.

1213441502312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11667706772 (or 11667706768 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1213441502312 its reverse (2132051443121), we get a palindrome (3345492945433).

The spelling of 1213441502312 in words is "one trillion, two hundred thirteen billion, four hundred forty-one million, five hundred two thousand, three hundred twelve".