1220355243002 has 16 divisors (see below), whose sum is σ = 2097646248192. Its totient is φ = 521607217680.

The previous prime is 1220355242999. The next prime is 1220355243059. The reversal of 1220355243002 is 2003425530221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116842274 + ... + 116852717.

It is an arithmetic number, because the mean of its divisors is an integer number (131102890512).

Almost surely, 2^{1220355243002} is an apocalyptic number.

1220355243002 is a deficient number, since it is larger than the sum of its proper divisors (877291005190).

1220355243002 is a wasteful number, since it uses less digits than its factorization.

1220355243002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233695373.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 1220355243002 in words is "one trillion, two hundred twenty billion, three hundred fifty-five million, two hundred forty-three thousand, two".