1203288126851 has 16 divisors (see below), whose sum is σ = 1214833360608. Its totient is φ = 1191801600000.

The previous prime is 1203288126791. The next prime is 1203288126853. The reversal of 1203288126851 is 1586218823021.

It is a cyclic number.

It is not a de Polignac number, because 1203288126851 - 2¹⁰ = 1203288125827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203288126796 and 1203288126805.

It is not an unprimeable number, because it can be changed into a prime (1203288126853) 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 15 ways as a sum of consecutive naturals, for example, 211063301 + ... + 211069001.

It is an arithmetic number, because the mean of its divisors is an integer number (75927085038).

Almost surely, 2^{1203288126851} is an apocalyptic number.

1203288126851 is a deficient number, since it is larger than the sum of its proper divisors (11545233757).

1203288126851 is a wasteful number, since it uses less digits than its factorization.

1203288126851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 1203288126851 in words is "one trillion, two hundred three billion, two hundred eighty-eight million, one hundred twenty-six thousand, eight hundred fifty-one".