130212013021 has 2 divisors, whose sum is σ = 130212013022. Its totient is φ = 130212013020.

The previous prime is 130212012947. The next prime is 130212013067. The reversal of 130212013021 is 120310212031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94107832900 + 36104180121 = 306770^2 + 190011^2 .

It is a cyclic number.

It is not a de Polignac number, because 130212013021 - 2⁹ = 130212012509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130212012986 and 130212013004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130212053021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65106006510 + 65106006511.

It is an arithmetic number, because the mean of its divisors is an integer number (65106006511).

Almost surely, 2^130212013021 is an apocalyptic number.

It is an amenable number.

130212013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130212013021 is an equidigital number, since it uses as much as digits as its factorization.

130212013021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 130212013021 its reverse (120310212031), we get a palindrome (250522225052).

The spelling of 130212013021 in words is "one hundred thirty billion, two hundred twelve million, thirteen thousand, twenty-one".