212301412 has 12 divisors (see below), whose sum is σ = 381569020. Its totient is φ = 103281696.

The previous prime is 212301409. The next prime is 212301413. The reversal of 212301412 is 214103212.

It can be written as a sum of positive squares in 2 ways, for example, as 152176896 + 60124516 = 12336^2 + 7754^2 .

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (212301413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717087 + ... + 717382.

Almost surely, 2^212301412 is an apocalyptic number.

It is an amenable number.

212301412 is a deficient number, since it is larger than the sum of its proper divisors (169267608).

212301412 is a wasteful number, since it uses less digits than its factorization.

212301412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434510 (or 1434508 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212301412 is about 14570.5666327703. The cubic root of 212301412 is about 596.5556467009. Note that the first 3 decimals are identical.

Adding to 212301412 its reverse (214103212), we get a palindrome (426404624).

The spelling of 212301412 in words is "two hundred twelve million, three hundred one thousand, four hundred twelve".