212400302 has 8 divisors (see below), whose sum is σ = 319014936. Its totient is φ = 106061992.

The previous prime is 212400283. The next prime is 212400311. The reversal of 212400302 is 203004212.

212400302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×212400302² = 90227776579382408, which contains 22 as substring.

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, 67148 + ... + 70239.

It is an arithmetic number, because the mean of its divisors is an integer number (39876867).

Almost surely, 2^212400302 is an apocalyptic number.

212400302 is a deficient number, since it is larger than the sum of its proper divisors (106614634).

212400302 is a wasteful number, since it uses less digits than its factorization.

212400302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138162.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 212400302 is about 14573.9597227384. The cubic root of 212400302 is about 596.6482575319.

Adding to 212400302 its reverse (203004212), we get a palindrome (415404514).

The spelling of 212400302 in words is "two hundred twelve million, four hundred thousand, three hundred two".