1211342441130 has 48 divisors (see below), whose sum is σ = 3149590793544. Its totient is φ = 323014348800.

The previous prime is 1211342441129. The next prime is 1211342441147. The reversal of 1211342441130 is 311442431121.

It is a happy number.

1211342441130 is a `hidden beast` number, since 1 + 211 + 3 + 4 + 2 + 4 + 411 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 767854370529 + 443488070601 = 876273^2 + 665949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1211342441094 and 1211342441103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2867530 + ... + 3262730.

Almost surely, 2^{1211342441130} is an apocalyptic number.

1211342441130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211342441130 is an abundant number, since it is smaller than the sum of its proper divisors (1938248352414).

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

1211342441130 is a wasteful number, since it uses less digits than its factorization.

1211342441130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429271 (or 429268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1211342441130 its reverse (311442431121), we get a palindrome (1522784872251).

The spelling of 1211342441130 in words is "one trillion, two hundred eleven billion, three hundred forty-two million, four hundred forty-one thousand, one hundred thirty".