1211024612 has 48 divisors (see below), whose sum is σ = 2579001600. Its totient is φ = 496431936.

The previous prime is 1211024611. The next prime is 1211024621. The reversal of 1211024612 is 2164201121.

It is a happy number.

It is a super-2 number, since 2×1211024612² = 2933161221739501088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211024611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12368 + ... + 50744.

It is an arithmetic number, because the mean of its divisors is an integer number (53729200).

Almost surely, 2^1211024612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211024612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289500800).

1211024612 is an abundant number, since it is smaller than the sum of its proper divisors (1367976988).

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

1211024612 is a wasteful number, since it uses less digits than its factorization.

1211024612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38425 (or 38409 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1211024612 is about 34799.7789073436. The cubic root of 1211024612 is about 1065.9029312024.

Adding to 1211024612 its reverse (2164201121), we get a palindrome (3375225733).

The spelling of 1211024612 in words is "one billion, two hundred eleven million, twenty-four thousand, six hundred twelve".