52212403245 has 16 divisors (see below), whose sum is σ = 83688242112. Its totient is φ = 27797149440.

The previous prime is 52212403241. The next prime is 52212403261. The reversal of 52212403245 is 54230421225.

It is not a de Polignac number, because 52212403245 - 2² = 52212403241 is a prime.

It is a super-2 number, since 2×52212403245² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52212403241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3082876 + ... + 3099765.

It is an arithmetic number, because the mean of its divisors is an integer number (5230515132).

Almost surely, 2^52212403245 is an apocalyptic number.

It is an amenable number.

52212403245 is a deficient number, since it is larger than the sum of its proper divisors (31475838867).

52212403245 is a wasteful number, since it uses less digits than its factorization.

52212403245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183212.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 52212403245 in words is "fifty-two billion, two hundred twelve million, four hundred three thousand, two hundred forty-five".