1200340421130 has 32 divisors (see below), whose sum is σ = 2880905947200. Its totient is φ = 320080897152.

The previous prime is 1200340421107. The next prime is 1200340421197. The reversal of 1200340421130 is 311240430021.

It is a junction number, because it is equal to n+sod(n) for n = 1200340421097 and 1200340421106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397701 + ... + 1599639.

It is an arithmetic number, because the mean of its divisors is an integer number (90028310850).

Almost surely, 2^{1200340421130} is an apocalyptic number.

1200340421130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200340421130 is an abundant number, since it is smaller than the sum of its proper divisors (1680565526070).

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

1200340421130 is a wasteful number, since it uses less digits than its factorization.

1200340421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235238.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1200340421130 its reverse (311240430021), we get a palindrome (1511580851151).

The spelling of 1200340421130 in words is "one trillion, two hundred billion, three hundred forty million, four hundred twenty-one thousand, one hundred thirty".