213541212235 has 16 divisors (see below), whose sum is σ = 275998574880. Its totient is φ = 157670472960.

The previous prime is 213541212223. The next prime is 213541212301. The reversal of 213541212235 is 532212145312.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-213541212235 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213541212197 and 213541212206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264615 + ... + 705055.

It is an arithmetic number, because the mean of its divisors is an integer number (17249910930).

Almost surely, 2^213541212235 is an apocalyptic number.

213541212235 is a deficient number, since it is larger than the sum of its proper divisors (62457362645).

213541212235 is a wasteful number, since it uses less digits than its factorization.

213541212235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447918.

The product of its digits is 14400, while the sum is 31.

Adding to 213541212235 its reverse (532212145312), we get a palindrome (745753357547).

The spelling of 213541212235 in words is "two hundred thirteen billion, five hundred forty-one million, two hundred twelve thousand, two hundred thirty-five".