42512114035021 has 2 divisors, whose sum is σ = 42512114035022. Its totient is φ = 42512114035020.

The previous prime is 42512114034991. The next prime is 42512114035031. The reversal of 42512114035021 is 12053041121524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40406744956900 + 2105369078121 = 6356630^2 + 1450989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42512114035021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42512114035031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256057017510 + 21256057017511.

It is an arithmetic number, because the mean of its divisors is an integer number (21256057017511).

Almost surely, 2^{42512114035021} is an apocalyptic number.

It is an amenable number.

42512114035021 is a deficient number, since it is larger than the sum of its proper divisors (1).

42512114035021 is an equidigital number, since it uses as much as digits as its factorization.

42512114035021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 42512114035021 its reverse (12053041121524), we get a palindrome (54565155156545).

The spelling of 42512114035021 in words is "forty-two trillion, five hundred twelve billion, one hundred fourteen million, thirty-five thousand, twenty-one".