11112210000012 has 48 divisors (see below), whose sum is σ = 28287291037824. Its totient is φ = 3367138080000.

The previous prime is 11112210000011. The next prime is 11112210000013. The reversal of 11112210000012 is 21000001221111.

It is an interprime number because it is at equal distance from previous prime (11112210000011) and next prime (11112210000013).

It is a super-2 number, since 2×11112210000012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11112210000011) 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, 220614 + ... + 4719437.

It is an arithmetic number, because the mean of its divisors is an integer number (589318563288).

Almost surely, 2^{11112210000012} is an apocalyptic number.

11112210000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112210000012 is an abundant number, since it is smaller than the sum of its proper divisors (17175081037812).

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

11112210000012 is a wasteful number, since it uses less digits than its factorization.

11112210000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957110 (or 4957108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11112210000012 its reverse (21000001221111), we get a palindrome (32112211221123).

The spelling of 11112210000012 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, twelve", and thus it is an aban number.