1303211211222 has 128 divisors (see below), whose sum is σ = 2725998105600. Its totient is φ = 415134720000.

The previous prime is 1303211211191. The next prime is 1303211211223. The reversal of 1303211211222 is 2221121123031.

It is a super-2 number, since 2×1303211211222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303211211223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 400863097 + ... + 400866347.

It is an arithmetic number, because the mean of its divisors is an integer number (21296860200).

Almost surely, 2^{1303211211222} is an apocalyptic number.

1303211211222 is an abundant number, since it is smaller than the sum of its proper divisors (1422786894378).

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

1303211211222 is a wasteful number, since it uses less digits than its factorization.

1303211211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1303211211222 its reverse (2221121123031), we get a palindrome (3524332334253).

The spelling of 1303211211222 in words is "one trillion, three hundred three billion, two hundred eleven million, two hundred eleven thousand, two hundred twenty-two".