212559824072 has 12 divisors (see below), whose sum is σ = 398552115195. Its totient is φ = 106279260024.

The previous prime is 212559824051. The next prime is 212559824143. The reversal of 212559824072 is 270428955212.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 106279912036 + 106279912036 = 326006^2 + 326006^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=326006.

It is a super-2 number, since 2×212559824072² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1222523 + ... + 1385525.

Almost surely, 2^212559824072 is an apocalyptic number.

It is an amenable number.

212559824072 is a deficient number, since it is larger than the sum of its proper divisors (185992291123).

212559824072 is an frugal number, since it uses more digits than its factorization.

212559824072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326012 (or 163005 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 212559824072 in words is "two hundred twelve billion, five hundred fifty-nine million, eight hundred twenty-four thousand, seventy-two".