213011222001232 has 20 divisors (see below), whose sum is σ = 412714969858260. Its totient is φ = 106504133005568.

The previous prime is 213011222001223. The next prime is 213011222001307. The reversal of 213011222001232 is 232100222110312.

It can be written as a sum of positive squares in 2 ways, for example, as 181603222848576 + 31407999152656 = 13476024^2 + 5604284^2 .

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, 91185223 + ... + 93492070.

It is an arithmetic number, because the mean of its divisors is an integer number (20635748492913).

Almost surely, 2^{213011222001232} is an apocalyptic number.

It is an amenable number.

213011222001232 is a deficient number, since it is larger than the sum of its proper divisors (199703747857028).

213011222001232 is a wasteful number, since it uses less digits than its factorization.

213011222001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184749390 (or 184749384 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213011222001232 its reverse (232100222110312), we get a palindrome (445111444111544).

The spelling of 213011222001232 in words is "two hundred thirteen trillion, eleven billion, two hundred twenty-two million, one thousand, two hundred thirty-two".