12212001212122 has 8 divisors (see below), whose sum is σ = 18318211135776. Its totient is φ = 6105930833532.

The previous prime is 12212001212107. The next prime is 12212001212197. The reversal of 12212001212122 is 22121210021221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12212001212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34667208 + ... + 35017699.

It is an arithmetic number, because the mean of its divisors is an integer number (2289776391972).

Almost surely, 2^{12212001212122} is an apocalyptic number.

12212001212122 is a deficient number, since it is larger than the sum of its proper divisors (6106209923654).

12212001212122 is an equidigital number, since it uses as much as digits as its factorization.

12212001212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69772532.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212001212122 its reverse (22121210021221), we get a palindrome (34333211233343).

The spelling of 12212001212122 in words is "twelve trillion, two hundred twelve billion, one million, two hundred twelve thousand, one hundred twenty-two".