52021212379 has 2 divisors, whose sum is σ = 52021212380. Its totient is φ = 52021212378.

The previous prime is 52021212371. The next prime is 52021212401. The reversal of 52021212379 is 97321212025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52021212379 - 2³ = 52021212371 is a prime.

It is not a weakly prime, because it can be changed into another prime (52021212371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010606189 + 26010606190.

It is an arithmetic number, because the mean of its divisors is an integer number (26010606190).

Almost surely, 2^52021212379 is an apocalyptic number.

52021212379 is a deficient number, since it is larger than the sum of its proper divisors (1).

52021212379 is an equidigital number, since it uses as much as digits as its factorization.

52021212379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 52021212379 in words is "fifty-two billion, twenty-one million, two hundred twelve thousand, three hundred seventy-nine".