52121013007 has 24 divisors (see below), whose sum is σ = 61300451184. Its totient is φ = 44182236672.

The previous prime is 52121012953. The next prime is 52121013013. The reversal of 52121013007 is 70031012125.

It is a happy number.

It is not a de Polignac number, because 52121013007 - 2¹¹ = 52121010959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121013017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8300353 + ... + 8306629.

It is an arithmetic number, because the mean of its divisors is an integer number (2554185466).

Almost surely, 2^52121013007 is an apocalyptic number.

52121013007 is a deficient number, since it is larger than the sum of its proper divisors (9179438177).

52121013007 is a wasteful number, since it uses less digits than its factorization.

52121013007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The spelling of 52121013007 in words is "fifty-two billion, one hundred twenty-one million, thirteen thousand, seven".