1211244230 has 24 divisors (see below), whose sum is σ = 2536198128. Its totient is φ = 415283568.

The previous prime is 1211244227. The next prime is 1211244241. The reversal of 1211244230 is 324421121.

It is a super-2 number, since 2×1211244230² = 2934225169416585800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1235474 + ... + 1236453.

It is an arithmetic number, because the mean of its divisors is an integer number (105674922).

Almost surely, 2^1211244230 is an apocalyptic number.

1211244230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211244230 is an abundant number, since it is smaller than the sum of its proper divisors (1324953898).

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

1211244230 is a wasteful number, since it uses less digits than its factorization.

1211244230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471948 (or 2471941 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1211244230 is about 34802.9342153790. The cubic root of 1211244230 is about 1065.9673607547.

Adding to 1211244230 its reverse (324421121), we get a palindrome (1535665351).

The spelling of 1211244230 in words is "one billion, two hundred eleven million, two hundred forty-four thousand, two hundred thirty".