11233220001012 has 36 divisors (see below), whose sum is σ = 29374224718020. Its totient is φ = 3615289195392.

The previous prime is 11233220000969. The next prime is 11233220001037. The reversal of 11233220001012 is 21010002233211.

11233220001012 is a `hidden beast` number, since 112 + 332 + 200 + 0 + 10 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5472960798096 + 5760259202916 = 2339436^2 + 2400054^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11233220001012² (a number of 27 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5379893593 + ... + 5379895680.

Almost surely, 2^{11233220001012} is an apocalyptic number.

11233220001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11233220001012 is an abundant number, since it is smaller than the sum of its proper divisors (18141004717008).

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

11233220001012 is a wasteful number, since it uses less digits than its factorization.

11233220001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759789312 (or 10759789307 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11233220001012 its reverse (21010002233211), we get a palindrome (32243222234223).

The spelling of 11233220001012 in words is "eleven trillion, two hundred thirty-three billion, two hundred twenty million, one thousand, twelve".