212966536 has 8 divisors (see below), whose sum is σ = 399312270. Its totient is φ = 106483264.

The previous prime is 212966527. The next prime is 212966539. The reversal of 212966536 is 635669212.

It can be written as a sum of positive squares in only one way, i.e., 114361636 + 98604900 = 10694^2 + 9930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (212966539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13310401 + ... + 13310416.

Almost surely, 2^212966536 is an apocalyptic number.

It is an amenable number.

212966536 is a deficient number, since it is larger than the sum of its proper divisors (186345734).

212966536 is a wasteful number, since it uses less digits than its factorization.

212966536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26620823 (or 26620819 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 212966536 is about 14593.3730165442. The cubic root of 212966536 is about 597.1779848975.

The spelling of 212966536 in words is "two hundred twelve million, nine hundred sixty-six thousand, five hundred thirty-six".