1212044002 has 48 divisors (see below), whose sum is σ = 2141192232. Its totient is φ = 512179200.

The previous prime is 1212043997. The next prime is 1212044011. The reversal of 1212044002 is 2004402121.

It can be written as a sum of positive squares in 12 ways, for example, as 353026521 + 859017481 = 18789^2 + 29309^2 .

It is a super-3 number, since 3×1212044002³ (a number of 28 digits) contains 333 as substring.

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, 209752 + ... + 215452.

Almost surely, 2^1212044002 is an apocalyptic number.

1212044002 is a deficient number, since it is larger than the sum of its proper divisors (929148230).

1212044002 is a wasteful number, since it uses less digits than its factorization.

1212044002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783 (or 5770 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1212044002 is about 34814.4223275355. The cubic root of 1212044002 is about 1066.2019248656.

Adding to 1212044002 its reverse (2004402121), we get a palindrome (3216446123).

The spelling of 1212044002 in words is "one billion, two hundred twelve million, forty-four thousand, two".