1111111000212 has 48 divisors (see below), whose sum is σ = 2618613575424. Its totient is φ = 366654000000.

The previous prime is 1111111000171. The next prime is 1111111000231. The reversal of 1111111000212 is 2120001111111.

It is a super-2 number, since 2×1111111000212² (a number of 25 digits) contains 22 as substring.

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

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, 9578962 + ... + 9694262.

It is an arithmetic number, because the mean of its divisors is an integer number (54554449488).

Almost surely, 2^{1111111000212} is an apocalyptic number.

1111111000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111111000212 is an abundant number, since it is smaller than the sum of its proper divisors (1507502575212).

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

1111111000212 is a wasteful number, since it uses less digits than its factorization.

1111111000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123360 (or 123358 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111111000212 its reverse (2120001111111), we get a palindrome (3231112111323).

The spelling of 1111111000212 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.