130121444210215 has 32 divisors (see below), whose sum is σ = 162014361034752. Its totient is φ = 100220478336000.

The previous prime is 130121444210213. The next prime is 130121444210237. The reversal of 130121444210215 is 512012444121031.

It is not a de Polignac number, because 130121444210215 - 2¹ = 130121444210213 is a prime.

It is a super-2 number, since 2×130121444210215² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121444210213) 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, 26421655 + ... + 30957175.

It is an arithmetic number, because the mean of its divisors is an integer number (5062948782336).

Almost surely, 2^{130121444210215} is an apocalyptic number.

130121444210215 is a deficient number, since it is larger than the sum of its proper divisors (31892916824537).

130121444210215 is a wasteful number, since it uses less digits than its factorization.

130121444210215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536511.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 130121444210215 its reverse (512012444121031), we get a palindrome (642133888331246).

The spelling of 130121444210215 in words is "one hundred thirty trillion, one hundred twenty-one billion, four hundred forty-four million, two hundred ten thousand, two hundred fifteen".