11212545200 has 120 divisors (see below), whose sum is σ = 27233140896. Its totient is φ = 4436224000.

The previous prime is 11212545161. The next prime is 11212545203. The reversal of 11212545200 is 254521211.

It is not an unprimeable number, because it can be changed into a prime (11212545203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21520940 + ... + 21521460.

Almost surely, 2^11212545200 is an apocalyptic number.

11212545200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212545200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13616570448).

11212545200 is an abundant number, since it is smaller than the sum of its proper divisors (16020595696).

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

11212545200 is a wasteful number, since it uses less digits than its factorization.

11212545200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 11212545200 in words is "eleven billion, two hundred twelve million, five hundred forty-five thousand, two hundred".