11212210122012 has 48 divisors (see below), whose sum is σ = 29110160570400. Its totient is φ = 3732071817600.

The previous prime is 11212210121969. The next prime is 11212210122041. The reversal of 11212210122012 is 21022101221211.

11212210122012 is a `hidden beast` number, since 11 + 212 + 210 + 1 + 220 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73973337 + ... + 74124752.

It is an arithmetic number, because the mean of its divisors is an integer number (606461678550).

Almost surely, 2^{11212210122012} is an apocalyptic number.

11212210122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212210122012 is an abundant number, since it is smaller than the sum of its proper divisors (17897950448388).

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

11212210122012 is a wasteful number, since it uses less digits than its factorization.

11212210122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148098803 (or 148098795 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11212210122012 its reverse (21022101221211), we get a palindrome (32234311343223).

The spelling of 11212210122012 in words is "eleven trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, twelve".