1245200125001 has 12 divisors (see below), whose sum is σ = 1448606797380. Its totient is φ = 1067234303520.

The previous prime is 1245200124991. The next prime is 1245200125019. The reversal of 1245200125001 is 1005210025421.

It can be written as a sum of positive squares in 2 ways, for example, as 591607105600 + 653593019401 = 769160^2 + 808451^2 .

It is not a de Polignac number, because 1245200125001 - 2¹⁴ = 1245200108617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245200125061) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 289106 + ... + 1604363.

It is an arithmetic number, because the mean of its divisors is an integer number (120717233115).

Almost surely, 2^{1245200125001} is an apocalyptic number.

It is an amenable number.

1245200125001 is a deficient number, since it is larger than the sum of its proper divisors (203406672379).

1245200125001 is a wasteful number, since it uses less digits than its factorization.

1245200125001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906904 (or 1906897 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 1245200125001 in words is "one trillion, two hundred forty-five billion, two hundred million, one hundred twenty-five thousand, one".