1204120013525 has 24 divisors (see below), whose sum is σ = 1754141831904. Its totient is φ = 808360286400.

The previous prime is 1204120013501. The next prime is 1204120013531. The reversal of 1204120013525 is 5253100214021.

It is a de Polignac number, because none of the positive numbers 2^k-1204120013525 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204120013494 and 1204120013503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168404819 + ... + 168411968.

It is an arithmetic number, because the mean of its divisors is an integer number (73089242996).

Almost surely, 2^{1204120013525} is an apocalyptic number.

It is an amenable number.

1204120013525 is a deficient number, since it is larger than the sum of its proper divisors (550021818379).

1204120013525 is a wasteful number, since it uses less digits than its factorization.

1204120013525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336816821 (or 336816816 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1204120013525 its reverse (5253100214021), we get a palindrome (6457220227546).

The spelling of 1204120013525 in words is "one trillion, two hundred four billion, one hundred twenty million, thirteen thousand, five hundred twenty-five".