211142130212 has 24 divisors (see below), whose sum is σ = 397940778816. Its totient is φ = 97445543328.

The previous prime is 211142130187. The next prime is 211142130223. The reversal of 211142130212 is 212031241112.

It is a super-2 number, since 2×211142130212² (a number of 23 digits) contains 22 as substring.

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, 1150463 + ... + 1321305.

It is an arithmetic number, because the mean of its divisors is an integer number (16580865784).

Almost surely, 2^211142130212 is an apocalyptic number.

It is an amenable number.

211142130212 is a deficient number, since it is larger than the sum of its proper divisors (186798648604).

211142130212 is a wasteful number, since it uses less digits than its factorization.

211142130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194627 (or 194625 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211142130212 its reverse (212031241112), we get a palindrome (423173371324).

The spelling of 211142130212 in words is "two hundred eleven billion, one hundred forty-two million, one hundred thirty thousand, two hundred twelve".