1211413130 has 16 divisors (see below), whose sum is σ = 2181305160. Its totient is φ = 484396032.

The previous prime is 1211413123. The next prime is 1211413139. The reversal of 1211413130 is 313141121.

It can be written as a sum of positive squares in 4 ways, for example, as 1012066969 + 199346161 = 31813^2 + 14119^2 .

It is a super-3 number, since 3×1211413130³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211413099 and 1211413108.

It is not an unprimeable number, because it can be changed into a prime (1211413139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11282 + ... + 50498.

Almost surely, 2^1211413130 is an apocalyptic number.

1211413130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211413130 is a deficient number, since it is larger than the sum of its proper divisors (969892030).

1211413130 is a wasteful number, since it uses less digits than its factorization.

1211413130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42313.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1211413130 is about 34805.3606503366. The cubic root of 1211413130 is about 1066.0169058188.

Adding to 1211413130 its reverse (313141121), we get a palindrome (1524554251).

The spelling of 1211413130 in words is "one billion, two hundred eleven million, four hundred thirteen thousand, one hundred thirty".