213120550352 has 10 divisors (see below), whose sum is σ = 412921066338. Its totient is φ = 106560275168.

The previous prime is 213120550339. The next prime is 213120550417. The reversal of 213120550352 is 253055021312.

It can be written as a sum of positive squares in only one way, i.e., 117221325376 + 95899224976 = 342376^2 + 309676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660017183 + ... + 6660017214.

Almost surely, 2^213120550352 is an apocalyptic number.

It is an amenable number.

213120550352 is a deficient number, since it is larger than the sum of its proper divisors (199800515986).

213120550352 is a wasteful number, since it uses less digits than its factorization.

213120550352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320034405 (or 13320034399 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 213120550352 its reverse (253055021312), we get a palindrome (466175571664).

The spelling of 213120550352 in words is "two hundred thirteen billion, one hundred twenty million, five hundred fifty thousand, three hundred fifty-two".