1213313303000 has 128 divisors (see below), whose sum is σ = 2868935509440. Its totient is φ = 480240000000.

The previous prime is 1213313302991. The next prime is 1213313303009. The reversal of 1213313303000 is 3033133121.

It is an interprime number because it is at equal distance from previous prime (1213313302991) and next prime (1213313303009).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213313303009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303098999 + ... + 303103001.

Almost surely, 2^{1213313303000} is an apocalyptic number.

1213313303000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213313303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434467754720).

1213313303000 is an abundant number, since it is smaller than the sum of its proper divisors (1655622206440).

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

1213313303000 is a wasteful number, since it uses less digits than its factorization.

1213313303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7112 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1213313303000 its reverse (3033133121), we get a palindrome (1216346436121).

The spelling of 1213313303000 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, three hundred three thousand".