545115522000212 has 24 divisors (see below), whose sum is σ = 960137035002600. Its totient is φ = 270793525870080.

The previous prime is 545115522000151. The next prime is 545115522000263. The reversal of 545115522000212 is 212000225511545.

It can be written as a sum of positive squares in 4 ways, for example, as 141807751789636 + 403307770210576 = 11908306^2 + 20082524^2 .

It is a super-2 number, since 2×545115522000212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358116593 + ... + 359635544.

It is an arithmetic number, because the mean of its divisors is an integer number (40005709791775).

Almost surely, 2^{545115522000212} is an apocalyptic number.

It is an amenable number.

545115522000212 is a deficient number, since it is larger than the sum of its proper divisors (415021513002388).

545115522000212 is a wasteful number, since it uses less digits than its factorization.

545115522000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717753371 (or 717753369 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 545115522000212 its reverse (212000225511545), we get a palindrome (757115747511757).

The spelling of 545115522000212 in words is "five hundred forty-five trillion, one hundred fifteen billion, five hundred twenty-two million, two hundred twelve", and thus it is an aban number.