1203197920228 has 12 divisors (see below), whose sum is σ = 2105622228780. Its totient is φ = 601591569152.

The previous prime is 1203197920207. The next prime is 1203197920261. The reversal of 1203197920228 is 8220297913021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1016753588964 + 186444331264 = 1008342^2 + 431792^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473013 + ... + 2139196.

It is an arithmetic number, because the mean of its divisors is an integer number (175468519065).

Almost surely, 2^{1203197920228} is an apocalyptic number.

It is an amenable number.

1203197920228 is a deficient number, since it is larger than the sum of its proper divisors (902424308552).

1203197920228 is a wasteful number, since it uses less digits than its factorization.

1203197920228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695486 (or 3695484 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 1203197920228 in words is "one trillion, two hundred three billion, one hundred ninety-seven million, nine hundred twenty thousand, two hundred twenty-eight".