1213311301302 has 32 divisors (see below), whose sum is σ = 2533553390592. Its totient is φ = 386635100544.

The previous prime is 1213311301297. The next prime is 1213311301309. The reversal of 1213311301302 is 2031031133121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213311301309) 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, 2228638 + ... + 2719089.

It is an arithmetic number, because the mean of its divisors is an integer number (79173543456).

Almost surely, 2^{1213311301302} is an apocalyptic number.

1213311301302 is an abundant number, since it is smaller than the sum of its proper divisors (1320242089290).

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

1213311301302 is a wasteful number, since it uses less digits than its factorization.

1213311301302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949532.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1213311301302 its reverse (2031031133121), we get a palindrome (3244342434423).

The spelling of 1213311301302 in words is "one trillion, two hundred thirteen billion, three hundred eleven million, three hundred one thousand, three hundred two".