230212621550 has 12 divisors (see below), whose sum is σ = 428195476176. Its totient is φ = 92085048600.

The previous prime is 230212621531. The next prime is 230212621567. The reversal of 230212621550 is 55126212032.

It is a super-2 number, since 2×230212621550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2302126166 + ... + 2302126265.

It is an arithmetic number, because the mean of its divisors is an integer number (35682956348).

Almost surely, 2^230212621550 is an apocalyptic number.

230212621550 is a deficient number, since it is larger than the sum of its proper divisors (197982854626).

230212621550 is a wasteful number, since it uses less digits than its factorization.

230212621550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604252443 (or 4604252438 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 230212621550 its reverse (55126212032), we get a palindrome (285338833582).

The spelling of 230212621550 in words is "two hundred thirty billion, two hundred twelve million, six hundred twenty-one thousand, five hundred fifty".