212883956 has 12 divisors (see below), whose sum is σ = 372782592. Its totient is φ = 106374648.

The previous prime is 212883949. The next prime is 212883967. The reversal of 212883956 is 659388212.

212883956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9350 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (31065216).

Almost surely, 2^212883956 is an apocalyptic number.

It is an amenable number.

212883956 is a deficient number, since it is larger than the sum of its proper divisors (159898636).

212883956 is a wasteful number, since it uses less digits than its factorization.

212883956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670 (or 33668 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 212883956 is about 14590.5433757623. The cubic root of 212883956 is about 597.1007875837.

The spelling of 212883956 in words is "two hundred twelve million, eight hundred eighty-three thousand, nine hundred fifty-six".