212180036 has 12 divisors (see below), whose sum is σ = 371524860. Its totient is φ = 106030080.

The previous prime is 212180029. The next prime is 212180047. The reversal of 212180036 is 630081212.

It can be written as a sum of positive squares in 2 ways, for example, as 76457536 + 135722500 = 8744^2 + 11650^2 .

It is a super-2 number, since 2×212180036² = 90040735353922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212179993 and 212180020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485 + ... + 21596.

It is an arithmetic number, because the mean of its divisors is an integer number (30960405).

Almost surely, 2^212180036 is an apocalyptic number.

It is an amenable number.

212180036 is a deficient number, since it is larger than the sum of its proper divisors (159344824).

212180036 is a wasteful number, since it uses less digits than its factorization.

212180036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29974 (or 29972 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 212180036 is about 14566.4009281634. The cubic root of 212180036 is about 596.4419383327.

The spelling of 212180036 in words is "two hundred twelve million, one hundred eighty thousand, thirty-six".