1212212001201 has 8 divisors (see below), whose sum is σ = 1616425532544. Its totient is φ = 808069902000.

The previous prime is 1212212001199. The next prime is 1212212001223. The reversal of 1212212001201 is 1021002122121.

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

It is not a de Polignac number, because 1212212001201 - 2¹ = 1212212001199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212212001251) 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 7 ways as a sum of consecutive naturals, for example, 17818425 + ... + 17886326.

It is an arithmetic number, because the mean of its divisors is an integer number (202053191568).

Almost surely, 2^{1212212001201} is an apocalyptic number.

It is an amenable number.

1212212001201 is a deficient number, since it is larger than the sum of its proper divisors (404213531343).

1212212001201 is a wasteful number, since it uses less digits than its factorization.

1212212001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35716071.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212212001201 its reverse (1021002122121), we get a palindrome (2233214123322).

The spelling of 1212212001201 in words is "one trillion, two hundred twelve billion, two hundred twelve million, one thousand, two hundred one".