211002230312 has 8 divisors (see below), whose sum is σ = 395629181850. Its totient is φ = 105501115152.

The previous prime is 211002230269. The next prime is 211002230347. The reversal of 211002230312 is 213032200112.

It can be written as a sum of positive squares in only one way, i.e., 167760691396 + 43241538916 = 409586^2 + 207946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13187639387 + ... + 13187639402.

Almost surely, 2^211002230312 is an apocalyptic number.

It is an amenable number.

211002230312 is a deficient number, since it is larger than the sum of its proper divisors (184626951538).

211002230312 is a wasteful number, since it uses less digits than its factorization.

211002230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375278795 (or 26375278791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211002230312 its reverse (213032200112), we get a palindrome (424034430424).

The spelling of 211002230312 in words is "two hundred eleven billion, two million, two hundred thirty thousand, three hundred twelve".