1213311320200 has 48 divisors (see below), whose sum is σ = 3223941511680. Its totient is φ = 415992452160.

The previous prime is 1213311320197. The next prime is 1213311320237. The reversal of 1213311320200 is 20231133121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433324072 + ... + 433326871.

It is an arithmetic number, because the mean of its divisors is an integer number (67165448160).

Almost surely, 2^{1213311320200} is an apocalyptic number.

1213311320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213311320200 is an abundant number, since it is smaller than the sum of its proper divisors (2010630191480).

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

1213311320200 is a wasteful number, since it uses less digits than its factorization.

1213311320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866650966 (or 866650957 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213311320200 its reverse (20231133121), we get a palindrome (1233542453321).

The spelling of 1213311320200 in words is "one trillion, two hundred thirteen billion, three hundred eleven million, three hundred twenty thousand, two hundred".