11212100001012 has 48 divisors (see below), whose sum is σ = 26252166874752. Its totient is φ = 3724429716480.

The previous prime is 11212100001007. The next prime is 11212100001017. The reversal of 11212100001012 is 21010000121211.

11212100001012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11212100001007) and next prime (11212100001017).

It is a super-2 number, since 2×11212100001012² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212100001017) 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, 14831628 + ... + 15569244.

It is an arithmetic number, because the mean of its divisors is an integer number (546920143224).

Almost surely, 2^{11212100001012} is an apocalyptic number.

11212100001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212100001012 is an abundant number, since it is smaller than the sum of its proper divisors (15040066873740).

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

11212100001012 is a wasteful number, since it uses less digits than its factorization.

11212100001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742008 (or 742006 counting only the distinct ones).

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

Adding to 11212100001012 its reverse (21010000121211), we get a palindrome (32222100122223).

The spelling of 11212100001012 in words is "eleven trillion, two hundred twelve billion, one hundred million, one thousand, twelve".