1021230121304 has 32 divisors (see below), whose sum is σ = 1916804638800. Its totient is φ = 510082406400.

The previous prime is 1021230121277. The next prime is 1021230121349. The reversal of 1021230121304 is 4031210321201.

It is a congruent 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, 65586032 + ... + 65601600.

Almost surely, 2^{1021230121304} is an apocalyptic number.

It is an amenable number.

1021230121304 is a deficient number, since it is larger than the sum of its proper divisors (895574517496).

1021230121304 is a wasteful number, since it uses less digits than its factorization.

1021230121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23603 (or 23599 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1021230121304 its reverse (4031210321201), we get a palindrome (5052440442505).

The spelling of 1021230121304 in words is "one trillion, twenty-one billion, two hundred thirty million, one hundred twenty-one thousand, three hundred four".