11222012212012 has 36 divisors (see below), whose sum is σ = 22854570078144. Its totient is φ = 4807379172960.

The previous prime is 11222012212009. The next prime is 11222012212027. The reversal of 11222012212012 is 21021221022211.

It is a super-2 number, since 2×11222012212012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11769948 + ... + 12687619.

Almost surely, 2^{11222012212012} is an apocalyptic number.

It is an amenable number.

11222012212012 is an abundant number, since it is smaller than the sum of its proper divisors (11632557866132).

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

11222012212012 is a wasteful number, since it uses less digits than its factorization.

11222012212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24459926 (or 24459917 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222012212012 its reverse (21021221022211), we get a palindrome (32243233234223).

The spelling of 11222012212012 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twelve thousand, twelve".