1211430004330 has 128 divisors (see below), whose sum is σ = 2842295339520. Its totient is φ = 360763269120.

The previous prime is 1211430004277. The next prime is 1211430004331. The reversal of 1211430004330 is 334000341121.

It is a super-3 number, since 3×1211430004330³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211430004331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135064086 + ... + 135073054.

It is an arithmetic number, because the mean of its divisors is an integer number (22205432340).

Almost surely, 2^{1211430004330} is an apocalyptic number.

1211430004330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211430004330 is an abundant number, since it is smaller than the sum of its proper divisors (1630865335190).

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

1211430004330 is a wasteful number, since it uses less digits than its factorization.

1211430004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17744.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1211430004330 its reverse (334000341121), we get a palindrome (1545430345451).

The spelling of 1211430004330 in words is "one trillion, two hundred eleven billion, four hundred thirty million, four thousand, three hundred thirty".