1202478789452 has 24 divisors (see below), whose sum is σ = 2108677817232. Its totient is φ = 600000392000.

The previous prime is 1202478789443. The next prime is 1202478789467. The reversal of 1202478789452 is 2549878742021.

It is a junction number, because it is equal to n+sod(n) for n = 1202478789391 and 1202478789400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4844327 + ... + 5086497.

It is an arithmetic number, because the mean of its divisors is an integer number (87861575718).

Almost surely, 2^{1202478789452} is an apocalyptic number.

It is an amenable number.

1202478789452 is a deficient number, since it is larger than the sum of its proper divisors (906199027780).

1202478789452 is a wasteful number, since it uses less digits than its factorization.

1202478789452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244729 (or 244727 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 1202478789452 in words is "one trillion, two hundred two billion, four hundred seventy-eight million, seven hundred eighty-nine thousand, four hundred fifty-two".