212323052 has 12 divisors (see below), whose sum is σ = 371728560. Its totient is φ = 106114896.

The previous prime is 212323039. The next prime is 212323087. The reversal of 212323052 is 250323212.

It is an alternating number because its digits alternate between even and odd.

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, 152 + ... + 20607.

It is an arithmetic number, because the mean of its divisors is an integer number (30977380).

Almost surely, 2^212323052 is an apocalyptic number.

It is an amenable number.

212323052 is a deficient number, since it is larger than the sum of its proper divisors (159405508).

212323052 is a wasteful number, since it uses less digits than its factorization.

212323052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23320 (or 23318 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 212323052 is about 14571.3092067940. The cubic root of 212323052 is about 596.5759150943.

Adding to 212323052 its reverse (250323212), we get a palindrome (462646264).

The spelling of 212323052 in words is "two hundred twelve million, three hundred twenty-three thousand, fifty-two".