212002011122 has 8 divisors (see below), whose sum is σ = 346912381872. Its totient is φ = 96364550500.

The previous prime is 212002011103. The next prime is 212002011127. The reversal of 212002011122 is 221110200212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212002011122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212002011097 and 212002011106.

It is not an unprimeable number, because it can be changed into a prime (212002011127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4818227504 + ... + 4818227547.

It is an arithmetic number, because the mean of its divisors is an integer number (43364047734).

Almost surely, 2^212002011122 is an apocalyptic number.

212002011122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212002011122 is a deficient number, since it is larger than the sum of its proper divisors (134910370750).

212002011122 is a wasteful number, since it uses less digits than its factorization.

212002011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636455064.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212002011122 its reverse (221110200212), we get a palindrome (433112211334).

The spelling of 212002011122 in words is "two hundred twelve billion, two million, eleven thousand, one hundred twenty-two".