1200102424420 has 48 divisors (see below), whose sum is σ = 2740583689200. Its totient is φ = 439592361984.

The previous prime is 1200102424343. The next prime is 1200102424427. The reversal of 1200102424420 is 244242010021.

It can be written as a sum of positive squares in 8 ways, for example, as 11548941156 + 1188553483264 = 107466^2 + 1090208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200102424391 and 1200102424400.

It is not an unprimeable number, because it can be changed into a prime (1200102424427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47686245 + ... + 47711404.

It is an arithmetic number, because the mean of its divisors is an integer number (57095493525).

Almost surely, 2^{1200102424420} is an apocalyptic number.

1200102424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200102424420 is an abundant number, since it is smaller than the sum of its proper divisors (1540481264780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200102424420 is a wasteful number, since it uses less digits than its factorization.

1200102424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95397712 (or 95397710 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1200102424420 its reverse (244242010021), we get a palindrome (1444344434441).

The spelling of 1200102424420 in words is "one trillion, two hundred billion, one hundred two million, four hundred twenty-four thousand, four hundred twenty".