1301221032130 has 16 divisors (see below), whose sum is σ = 2380594545144. Its totient is φ = 511955815680.

The previous prime is 1301221032113. The next prime is 1301221032131. The reversal of 1301221032130 is 312301221031.

It can be written as a sum of positive squares in 4 ways, for example, as 242608457809 + 1058612574321 = 492553^2 + 1028889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1301221032098 and 1301221032107.

It is not an unprimeable number, because it can be changed into a prime (1301221032131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066574007 + ... + 1066575226.

Almost surely, 2^{1301221032130} is an apocalyptic number.

1301221032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301221032130 is a deficient number, since it is larger than the sum of its proper divisors (1079373513014).

1301221032130 is a wasteful number, since it uses less digits than its factorization.

1301221032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133149301.

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

Adding to 1301221032130 its reverse (312301221031), we get a palindrome (1613522253161).

The spelling of 1301221032130 in words is "one trillion, three hundred one billion, two hundred twenty-one million, thirty-two thousand, one hundred thirty".