241221212 has 12 divisors (see below), whose sum is σ = 423142776. Its totient is φ = 120323280.

The previous prime is 241221203. The next prime is 241221221. The reversal of 241221212 is 212122142.

It is an interprime number because it is at equal distance from previous prime (241221203) and next prime (241221221).

It is a nude number because it is divisible by every one of its digits.

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, 69938 + ... + 73305.

It is an arithmetic number, because the mean of its divisors is an integer number (35261898).

Almost surely, 2^241221212 is an apocalyptic number.

It is an amenable number.

241221212 is a deficient number, since it is larger than the sum of its proper divisors (181921564).

241221212 is a wasteful number, since it uses less digits than its factorization.

241221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143668 (or 143666 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 241221212 is about 15531.2978208519. The cubic root of 241221212 is about 622.4987710927.

Adding to 241221212 its reverse (212122142), we get a palindrome (453343354).

The spelling of 241221212 in words is "two hundred forty-one million, two hundred twenty-one thousand, two hundred twelve".