212906292 has 12 divisors (see below), whose sum is σ = 496781376. Its totient is φ = 70968760.

The previous prime is 212906269. The next prime is 212906293. The reversal of 212906292 is 292609212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212906293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8871084 + ... + 8871107.

It is an arithmetic number, because the mean of its divisors is an integer number (41398448).

Almost surely, 2^212906292 is an apocalyptic number.

It is an amenable number.

212906292 is an abundant number, since it is smaller than the sum of its proper divisors (283875084).

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

212906292 is a wasteful number, since it uses less digits than its factorization.

212906292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17742198 (or 17742196 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 212906292 is about 14591.3087829708. The cubic root of 212906292 is about 597.1216696596.

The spelling of 212906292 in words is "two hundred twelve million, nine hundred six thousand, two hundred ninety-two".