11451122152212 has 24 divisors (see below), whose sum is σ = 26835963128800. Its totient is φ = 3800372416416.

The previous prime is 11451122152207. The next prime is 11451122152237. The reversal of 11451122152212 is 21225122115411.

It is a super-2 number, since 2×11451122152212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11451122152212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083534762 + ... + 2083540257.

Almost surely, 2^{11451122152212} is an apocalyptic number.

11451122152212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11451122152212 is an abundant number, since it is smaller than the sum of its proper divisors (15384840976588).

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

11451122152212 is a wasteful number, since it uses less digits than its factorization.

11451122152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167075255 (or 4167075253 counting only the distinct ones).

The product of its digits is 3200, while the sum is 30.

Adding to 11451122152212 its reverse (21225122115411), we get a palindrome (32676244267623).

The spelling of 11451122152212 in words is "eleven trillion, four hundred fifty-one billion, one hundred twenty-two million, one hundred fifty-two thousand, two hundred twelve".