212203564 has 6 divisors (see below), whose sum is σ = 371356244. Its totient is φ = 106101780.

The previous prime is 212203561. The next prime is 212203583. The reversal of 212203564 is 465302212.

212203564 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×212203564³ (a number of 26 digits) contains 333 as substring.

212203564 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (212203561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525442 + ... + 26525449.

Almost surely, 2^212203564 is an apocalyptic number.

It is an amenable number.

212203564 is a deficient number, since it is larger than the sum of its proper divisors (159152680).

212203564 is a wasteful number, since it uses less digits than its factorization.

212203564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050895 (or 53050893 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 212203564 is about 14567.2085177634. The cubic root of 212203564 is about 596.4639833964.

Adding to 212203564 its reverse (465302212), we get a palindrome (677505776).

The spelling of 212203564 in words is "two hundred twelve million, two hundred three thousand, five hundred sixty-four".