11200231212 has 12 divisors (see below), whose sum is σ = 26133872856. Its totient is φ = 3733410400.

The previous prime is 11200231181. The next prime is 11200231243. The reversal of 11200231212 is 21213200211.

It is an interprime number because it is at equal distance from previous prime (11200231181) and next prime (11200231243).

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

It is a junction number, because it is equal to n+sod(n) for n = 11200231191 and 11200231200.

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, 466676289 + ... + 466676312.

It is an arithmetic number, because the mean of its divisors is an integer number (2177822738).

Almost surely, 2^11200231212 is an apocalyptic number.

11200231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11200231212 is an abundant number, since it is smaller than the sum of its proper divisors (14933641644).

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

11200231212 is a wasteful number, since it uses less digits than its factorization.

11200231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933352608 (or 933352606 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11200231212 its reverse (21213200211), we get a palindrome (32413431423).

The spelling of 11200231212 in words is "eleven billion, two hundred million, two hundred thirty-one thousand, two hundred twelve".