212977104 has 60 divisors (see below), whose sum is σ = 556901856. Its totient is φ = 70134336.

The previous prime is 212977091. The next prime is 212977133. The reversal of 212977104 is 401779212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275229 + ... + 1275395.

Almost surely, 2^212977104 is an apocalyptic number.

212977104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212977104 is an abundant number, since it is smaller than the sum of its proper divisors (343924752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212977104 is a wasteful number, since it uses less digits than its factorization.

212977104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 212977104 is about 14593.7350942108. The cubic root of 212977104 is about 597.1878626192.

The spelling of 212977104 in words is "two hundred twelve million, nine hundred seventy-seven thousand, one hundred four".