212190936 has 32 divisors (see below), whose sum is σ = 558398400. Its totient is φ = 67007520.

The previous prime is 212190929. The next prime is 212190961. The reversal of 212190936 is 639091212.

212190936 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212190897 and 212190906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232210 + ... + 233121.

It is an arithmetic number, because the mean of its divisors is an integer number (17449950).

Almost surely, 2^212190936 is an apocalyptic number.

It is an amenable number.

212190936 is an abundant number, since it is smaller than the sum of its proper divisors (346207464).

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

212190936 is a wasteful number, since it uses less digits than its factorization.

212190936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465359 (or 465355 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 212190936 is about 14566.7750720604. The cubic root of 212190936 is about 596.4521515238.

The spelling of 212190936 in words is "two hundred twelve million, one hundred ninety thousand, nine hundred thirty-six".