4021123030012 has 36 divisors (see below), whose sum is σ = 7950530971656. Its totient is φ = 1764756172480.

The previous prime is 4021123029977. The next prime is 4021123030039. The reversal of 4021123030012 is 2100303211204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54296623 + ... + 54370630.

It is an arithmetic number, because the mean of its divisors is an integer number (220848082546).

Almost surely, 2^{4021123030012} is an apocalyptic number.

It is an amenable number.

4021123030012 is a deficient number, since it is larger than the sum of its proper divisors (3929407941644).

4021123030012 is a wasteful number, since it uses less digits than its factorization.

4021123030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108667326 (or 108667295 counting only the distinct ones).

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

Adding to 4021123030012 its reverse (2100303211204), we get a palindrome (6121426241216).

The spelling of 4021123030012 in words is "four trillion, twenty-one billion, one hundred twenty-three million, thirty thousand, twelve".