11132131012212 has 144 divisors (see below), whose sum is σ = 31289748154560. Its totient is φ = 3067784875008.

The previous prime is 11132131012169. The next prime is 11132131012243. The reversal of 11132131012212 is 21221013123111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16325703 + ... + 16993905.

It is an arithmetic number, because the mean of its divisors is an integer number (217289917740).

Almost surely, 2^{11132131012212} is an apocalyptic number.

11132131012212 is a gapful number since it is divisible by the number (12) 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 11132131012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15644874077280).

11132131012212 is an abundant number, since it is smaller than the sum of its proper divisors (20157617142348).

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

11132131012212 is a wasteful number, since it uses less digits than its factorization.

11132131012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669230 (or 669221 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11132131012212 its reverse (21221013123111), we get a palindrome (32353144135323).

The spelling of 11132131012212 in words is "eleven trillion, one hundred thirty-two billion, one hundred thirty-one million, twelve thousand, two hundred twelve".