1210320120230 has 32 divisors (see below), whose sum is σ = 2484168359904. Its totient is φ = 420599932416.

The previous prime is 1210320120187. The next prime is 1210320120241. The reversal of 1210320120230 is 320210230121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1210320120199 and 1210320120208.

It is a congruent number.

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, 273825872 + ... + 273830291.

It is an arithmetic number, because the mean of its divisors is an integer number (77630261247).

Almost surely, 2^{1210320120230} is an apocalyptic number.

1210320120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210320120230 is an abundant number, since it is smaller than the sum of its proper divisors (1273848239674).

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

1210320120230 is a wasteful number, since it uses less digits than its factorization.

1210320120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547656200.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1210320120230 its reverse (320210230121), we get a palindrome (1530530350351).

The spelling of 1210320120230 in words is "one trillion, two hundred ten billion, three hundred twenty million, one hundred twenty thousand, two hundred thirty".