11212333002 has 48 divisors (see below), whose sum is σ = 26232454248. Its totient is φ = 3440672640.

The previous prime is 11212332961. The next prime is 11212333007. The reversal of 11212333002 is 20033321211.

It can be written as a sum of positive squares in 4 ways, for example, as 5639859801 + 5572473201 = 75099^2 + 74649^2 .

It is a super-2 number, since 2×11212333002² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11212333007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23052 + ... + 151512.

Almost surely, 2^11212333002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212333002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13116227124).

11212333002 is an abundant number, since it is smaller than the sum of its proper divisors (15020121246).

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

11212333002 is a wasteful number, since it uses less digits than its factorization.

11212333002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128855 (or 128852 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11212333002 its reverse (20033321211), we get a palindrome (31245654213).

The spelling of 11212333002 in words is "eleven billion, two hundred twelve million, three hundred thirty-three thousand, two".