11212032013 has 16 divisors (see below), whose sum is σ = 13892054400. Its totient is φ = 8811510336.

The previous prime is 11212031977. The next prime is 11212032037. The reversal of 11212032013 is 31023021211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212032013 is a prime.

It is a super-3 number, since 3×11212032013³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212032413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399895 + ... + 427012.

It is an arithmetic number, because the mean of its divisors is an integer number (868253400).

Almost surely, 2^11212032013 is an apocalyptic number.

11212032013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11212032013 is a deficient number, since it is larger than the sum of its proper divisors (2680022387).

11212032013 is a wasteful number, since it uses less digits than its factorization.

11212032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827076.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11212032013 its reverse (31023021211), we get a palindrome (42235053224).

The spelling of 11212032013 in words is "eleven billion, two hundred twelve million, thirty-two thousand, thirteen".