240130412021 has 2 divisors, whose sum is σ = 240130412022. Its totient is φ = 240130412020.

The previous prime is 240130411981. The next prime is 240130412029. The reversal of 240130412021 is 120214031042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222906736900 + 17223675121 = 472130^2 + 131239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240130412021 is a prime.

It is a super-2 number, since 2×240130412021² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240130411984 and 240130412002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240130412029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120065206010 + 120065206011.

It is an arithmetic number, because the mean of its divisors is an integer number (120065206011).

Almost surely, 2^240130412021 is an apocalyptic number.

It is an amenable number.

240130412021 is a deficient number, since it is larger than the sum of its proper divisors (1).

240130412021 is an equidigital number, since it uses as much as digits as its factorization.

240130412021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 240130412021 its reverse (120214031042), we get a palindrome (360344443063).

The spelling of 240130412021 in words is "two hundred forty billion, one hundred thirty million, four hundred twelve thousand, twenty-one".