212999950 has 24 divisors (see below), whose sum is σ = 397606248. Its totient is φ = 84893280.

The previous prime is 212999947. The next prime is 212999957. The reversal of 212999950 is 59999212.

212999950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212999950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212999957) 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, 6624 + ... + 21676.

It is an arithmetic number, because the mean of its divisors is an integer number (16566927).

Almost surely, 2^212999950 is an apocalyptic number.

212999950 is a deficient number, since it is larger than the sum of its proper divisors (184606298).

212999950 is a wasteful number, since it uses less digits than its factorization.

212999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 212999950 is about 14594.5178063545. The cubic root of 212999950 is about 597.2092152526.

The spelling of 212999950 in words is "two hundred twelve million, nine hundred ninety-nine thousand, nine hundred fifty".