1212444150 has 48 divisors (see below), whose sum is σ = 3165124800. Its totient is φ = 306300960.

The previous prime is 1212444143. The next prime is 1212444161. The reversal of 1212444150 is 514442121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212444150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209860 + ... + 215559.

It is an arithmetic number, because the mean of its divisors is an integer number (65940100).

Almost surely, 2^1212444150 is an apocalyptic number.

1212444150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212444150 is an abundant number, since it is smaller than the sum of its proper divisors (1952680650).

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

1212444150 is a wasteful number, since it uses less digits than its factorization.

1212444150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425453 (or 425448 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1212444150 is about 34820.1687244620. The cubic root of 1212444150 is about 1066.3192450358.

Adding to 1212444150 its reverse (514442121), we get a palindrome (1726886271).

The spelling of 1212444150 in words is "one billion, two hundred twelve million, four hundred forty-four thousand, one hundred fifty".