1211234330130 has 256 divisors, whose sum is σ = 3371056496640. Its totient is φ = 275444064000.

The previous prime is 1211234330123. The next prime is 1211234330147. The reversal of 1211234330130 is 310334321121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211234330130.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 515198455 + ... + 515200805.

It is an arithmetic number, because the mean of its divisors is an integer number (13168189440).

Almost surely, 2^{1211234330130} is an apocalyptic number.

1211234330130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211234330130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685528248320).

1211234330130 is an abundant number, since it is smaller than the sum of its proper divisors (2159822166510).

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

1211234330130 is a wasteful number, since it uses less digits than its factorization.

1211234330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1211234330130 its reverse (310334321121), we get a palindrome (1521568651251).

Subtracting from 1211234330130 its reverse (310334321121), we obtain a palindrome (900900009009).

The spelling of 1211234330130 in words is "one trillion, two hundred eleven billion, two hundred thirty-four million, three hundred thirty thousand, one hundred thirty".