212155094 has 8 divisors (see below), whose sum is σ = 319832400. Its totient is φ = 105544296.

The previous prime is 212155079. The next prime is 212155109. The reversal of 212155094 is 490551212.

212155094 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212155079) and next prime (212155109).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 266129 + ... + 266924.

It is an arithmetic number, because the mean of its divisors is an integer number (39979050).

Almost surely, 2^212155094 is an apocalyptic number.

212155094 is a deficient number, since it is larger than the sum of its proper divisors (107677306).

212155094 is a wasteful number, since it uses less digits than its factorization.

212155094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533254.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 212155094 is about 14565.5447546599. The cubic root of 212155094 is about 596.4185666117.

The spelling of 212155094 in words is "two hundred twelve million, one hundred fifty-five thousand, ninety-four".