212977349 has 12 divisors (see below), whose sum is σ = 232459776. Its totient is φ = 195026832.

The previous prime is 212977339. The next prime is 212977361. The reversal of 212977349 is 943779212.

212977349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212977349 - 2⁴ = 212977333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212977319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16502 + ... + 26424.

It is an arithmetic number, because the mean of its divisors is an integer number (19371648).

Almost surely, 2^212977349 is an apocalyptic number.

It is an amenable number.

212977349 is a deficient number, since it is larger than the sum of its proper divisors (19482427).

212977349 is a wasteful number, since it uses less digits than its factorization.

212977349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076 (or 10063 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 212977349 is about 14593.7434882212. The cubic root of 212977349 is about 597.1880916125.

The spelling of 212977349 in words is "two hundred twelve million, nine hundred seventy-seven thousand, three hundred forty-nine".