11130213012 has 12 divisors (see below), whose sum is σ = 25970497056. Its totient is φ = 3710071000.

The previous prime is 11130212993. The next prime is 11130213037. The reversal of 11130213012 is 21031203111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11130213012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11130212982 and 11130213000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463758864 + ... + 463758887.

It is an arithmetic number, because the mean of its divisors is an integer number (2164208088).

Almost surely, 2^11130213012 is an apocalyptic number.

11130213012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11130213012 is an abundant number, since it is smaller than the sum of its proper divisors (14840284044).

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

11130213012 is a wasteful number, since it uses less digits than its factorization.

11130213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927517758 (or 927517756 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11130213012 its reverse (21031203111), we get a palindrome (32161416123).

Subtracting 11130213012 from its reverse (21031203111), we obtain a palindrome (9900990099).

The spelling of 11130213012 in words is "eleven billion, one hundred thirty million, two hundred thirteen thousand, twelve".