130415201221 has 4 divisors (see below), whose sum is σ = 137279159200. Its totient is φ = 123551243244.

The previous prime is 130415201173. The next prime is 130415201237. The reversal of 130415201221 is 122102514031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130415201221 - 2⁹ = 130415200709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130415201192 and 130415201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130415201321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431978961 + ... + 3431978998.

It is an arithmetic number, because the mean of its divisors is an integer number (34319789800).

Almost surely, 2^130415201221 is an apocalyptic number.

It is an amenable number.

130415201221 is a deficient number, since it is larger than the sum of its proper divisors (6863957979).

130415201221 is an equidigital number, since it uses as much as digits as its factorization.

130415201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863957978.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 130415201221 its reverse (122102514031), we get a palindrome (252517715252).

The spelling of 130415201221 in words is "one hundred thirty billion, four hundred fifteen million, two hundred one thousand, two hundred twenty-one".