1023200412505 has 16 divisors (see below), whose sum is σ = 1270261627920. Its totient is φ = 790283210752.

The previous prime is 1023200412473. The next prime is 1023200412569. The reversal of 1023200412505 is 5052140023201.

It can be written as a sum of positive squares in 8 ways, for example, as 75807710224 + 947392702281 = 275332^2 + 973341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023200412505 - 2⁵ = 1023200412473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023200412505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114877 + ... + 2553253.

It is an arithmetic number, because the mean of its divisors is an integer number (79391351745).

Almost surely, 2^{1023200412505} is an apocalyptic number.

It is an amenable number.

1023200412505 is a deficient number, since it is larger than the sum of its proper divisors (247061215415).

1023200412505 is a wasteful number, since it uses less digits than its factorization.

1023200412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454508.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1023200412505 its reverse (5052140023201), we get a palindrome (6075340435706).

The spelling of 1023200412505 in words is "one trillion, twenty-three billion, two hundred million, four hundred twelve thousand, five hundred five".