11132203412 has 72 divisors (see below), whose sum is σ = 22381845696. Its totient is φ = 4795648000.

The previous prime is 11132203403. The next prime is 11132203421. The reversal of 11132203412 is 21430223111.

It is an interprime number because it is at equal distance from previous prime (11132203403) and next prime (11132203421).

It is a super-2 number, since 2×11132203412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17366612 + ... + 17367252.

It is an arithmetic number, because the mean of its divisors is an integer number (310858968).

Almost surely, 2^11132203412 is an apocalyptic number.

It is an amenable number.

11132203412 is an abundant number, since it is smaller than the sum of its proper divisors (11249642284).

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

11132203412 is a wasteful number, since it uses less digits than its factorization.

11132203412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11132203412 its reverse (21430223111), we get a palindrome (32562426523).

The spelling of 11132203412 in words is "eleven billion, one hundred thirty-two million, two hundred three thousand, four hundred twelve".