1001220130015 has 16 divisors (see below), whose sum is σ = 1374048276480. Its totient is φ = 686077754400.

The previous prime is 1001220130013. The next prime is 1001220130021. The reversal of 1001220130015 is 5100310221001.

It is not a de Polignac number, because 1001220130015 - 2¹ = 1001220130013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001220130013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9806655 + ... + 9908224.

It is an arithmetic number, because the mean of its divisors is an integer number (85878017280).

Almost surely, 2^{1001220130015} is an apocalyptic number.

1001220130015 is a deficient number, since it is larger than the sum of its proper divisors (372828146465).

1001220130015 is a wasteful number, since it uses less digits than its factorization.

1001220130015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716342.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 1001220130015 its reverse (5100310221001), we get a palindrome (6101530351016).

The spelling of 1001220130015 in words is "one trillion, one billion, two hundred twenty million, one hundred thirty thousand, fifteen".