212143030323130 has 16 divisors (see below), whose sum is σ = 381900220724520. Its totient is φ = 84847708541952.

The previous prime is 212143030323061. The next prime is 212143030323157. The reversal of 212143030323130 is 31323030341212.

It can be written as a sum of positive squares in 4 ways, for example, as 135085690833769 + 77057339489361 = 11622637^2 + 8778231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187854659 + ... + 1188033238.

Almost surely, 2^{212143030323130} is an apocalyptic number.

212143030323130 is a deficient number, since it is larger than the sum of its proper divisors (169757190401390).

212143030323130 is a wasteful number, since it uses less digits than its factorization.

212143030323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375896833.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 212143030323130 its reverse (31323030341212), we get a palindrome (243466060664342).

The spelling of 212143030323130 in words is "two hundred twelve trillion, one hundred forty-three billion, thirty million, three hundred twenty-three thousand, one hundred thirty".