1303211222000 has 160 divisors (see below), whose sum is σ = 3277862078400. Its totient is φ = 500524416000.

The previous prime is 1303211221997. The next prime is 1303211222009. The reversal of 1303211222000 is 2221123031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303211222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303211222009) 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, 10435931 + ... + 10560069.

It is an arithmetic number, because the mean of its divisors is an integer number (20486637990).

Almost surely, 2^{1303211222000} is an apocalyptic number.

1303211222000 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 1303211222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638931039200).

1303211222000 is an abundant number, since it is smaller than the sum of its proper divisors (1974650856400).

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

1303211222000 is a wasteful number, since it uses less digits than its factorization.

1303211222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124372 (or 124356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1303211222000 its reverse (2221123031), we get a palindrome (1305432345031).

The spelling of 1303211222000 in words is "one trillion, three hundred three billion, two hundred eleven million, two hundred twenty-two thousand".