230001221212 has 24 divisors (see below), whose sum is σ = 460819529856. Its totient is φ = 98396861808.

The previous prime is 230001221207. The next prime is 230001221239. The reversal of 230001221212 is 212122100032.

It is a happy number.

It is a super-2 number, since 2×230001221212² (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 7 ways as a sum of consecutive naturals, for example, 7279378 + ... + 7310905.

It is an arithmetic number, because the mean of its divisors is an integer number (19200813744).

Almost surely, 2^230001221212 is an apocalyptic number.

It is an amenable number.

230001221212 is an abundant number, since it is smaller than the sum of its proper divisors (230818308644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230001221212 is a wasteful number, since it uses less digits than its factorization.

230001221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590857 (or 14590855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 230001221212 its reverse (212122100032), we get a palindrome (442123321244).

The spelling of 230001221212 in words is "two hundred thirty billion, one million, two hundred twenty-one thousand, two hundred twelve".