12212212001 has 8 divisors (see below), whose sum is σ = 13332076608. Its totient is φ = 11093958000.

The previous prime is 12212211983. The next prime is 12212212027. The reversal of 12212212001 is 10021221221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212212001 - 2³⁰ = 11138470177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212212031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386765 + ... + 417146.

It is an arithmetic number, because the mean of its divisors is an integer number (1666509576).

Almost surely, 2^12212212001 is an apocalyptic number.

12212212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212212001 is a deficient number, since it is larger than the sum of its proper divisors (1119864607).

12212212001 is a wasteful number, since it uses less digits than its factorization.

12212212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805303.

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

Adding to 12212212001 its reverse (10021221221), we get a palindrome (22233433222).

The spelling of 12212212001 in words is "twelve billion, two hundred twelve million, two hundred twelve thousand, one".