11231200122212 has 48 divisors (see below), whose sum is σ = 22669503816960. Its totient is φ = 4769023429632.

The previous prime is 11231200122211. The next prime is 11231200122217. The reversal of 11231200122212 is 21222100213211.

It is a super-2 number, since 2×11231200122212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231200122211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7984193 + ... + 9284919.

It is an arithmetic number, because the mean of its divisors is an integer number (472281329520).

Almost surely, 2^{11231200122212} is an apocalyptic number.

It is an amenable number.

11231200122212 is an abundant number, since it is smaller than the sum of its proper divisors (11438303694748).

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

11231200122212 is a wasteful number, since it uses less digits than its factorization.

11231200122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303580 (or 1303578 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11231200122212 its reverse (21222100213211), we get a palindrome (32453300335423).

Subtracting 11231200122212 from its reverse (21222100213211), we obtain a palindrome (9990900090999).

The spelling of 11231200122212 in words is "eleven trillion, two hundred thirty-one billion, two hundred million, one hundred twenty-two thousand, two hundred twelve".