12212135001 has 48 divisors (see below), whose sum is σ = 19670713920. Its totient is φ = 7238232960.

The previous prime is 12212134997. The next prime is 12212135041. The reversal of 12212135001 is 10053121221.

It is not a de Polignac number, because 12212135001 - 2² = 12212134997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212135041) 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 47 ways as a sum of consecutive naturals, for example, 1145371 + ... + 1155983.

It is an arithmetic number, because the mean of its divisors is an integer number (409806540).

Almost surely, 2^12212135001 is an apocalyptic number.

12212135001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212135001 is a deficient number, since it is larger than the sum of its proper divisors (7458578919).

12212135001 is a wasteful number, since it uses less digits than its factorization.

12212135001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886 (or 10883 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12212135001 its reverse (10053121221), we get a palindrome (22265256222).

The spelling of 12212135001 in words is "twelve billion, two hundred twelve million, one hundred thirty-five thousand, one".