1303220121132 has 96 divisors (see below), whose sum is σ = 3154608580032. Its totient is φ = 418413551616.

The previous prime is 1303220121127. The next prime is 1303220121149. The reversal of 1303220121132 is 2311210223031.

It is a super-2 number, since 2×1303220121132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303220121099 and 1303220121108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17860788 + ... + 17933604.

It is an arithmetic number, because the mean of its divisors is an integer number (32860506042).

Almost surely, 2^{1303220121132} is an apocalyptic number.

1303220121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303220121132 is an abundant number, since it is smaller than the sum of its proper divisors (1851388458900).

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

1303220121132 is a wasteful number, since it uses less digits than its factorization.

1303220121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73267 (or 73265 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1303220121132 its reverse (2311210223031), we get a palindrome (3614430344163).

The spelling of 1303220121132 in words is "one trillion, three hundred three billion, two hundred twenty million, one hundred twenty-one thousand, one hundred thirty-two".