212353122 has 16 divisors (see below), whose sum is σ = 425195712. Its totient is φ = 70702800.

The previous prime is 212353121. The next prime is 212353129. The reversal of 212353122 is 221353212.

It is not an unprimeable number, because it can be changed into a prime (212353121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14629 + ... + 25272.

It is an arithmetic number, because the mean of its divisors is an integer number (26574732).

Almost surely, 2^212353122 is an apocalyptic number.

212353122 is an abundant number, since it is smaller than the sum of its proper divisors (212842590).

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

212353122 is a wasteful number, since it uses less digits than its factorization.

212353122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40793.

The product of its digits is 720, while the sum is 21.

The square root of 212353122 is about 14572.3409924418. The cubic root of 212353122 is about 596.6040768833.

The spelling of 212353122 in words is "two hundred twelve million, three hundred fifty-three thousand, one hundred twenty-two".