1212021003304 has 32 divisors (see below), whose sum is σ = 2276372740320. Its totient is φ = 604988525376.

The previous prime is 1212021003283. The next prime is 1212021003341. The reversal of 1212021003304 is 4033001202121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69316947 + ... + 69334429.

It is an arithmetic number, because the mean of its divisors is an integer number (71136648135).

Almost surely, 2^{1212021003304} is an apocalyptic number.

It is an amenable number.

1212021003304 is a deficient number, since it is larger than the sum of its proper divisors (1064351737016).

1212021003304 is a wasteful number, since it uses less digits than its factorization.

1212021003304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31609 (or 31605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1212021003304 its reverse (4033001202121), we get a palindrome (5245022205425).

The spelling of 1212021003304 in words is "one trillion, two hundred twelve billion, twenty-one million, three thousand, three hundred four".