1212220102201 has 8 divisors (see below), whose sum is σ = 1214054996544. Its totient is φ = 1210386468720.

The previous prime is 1212220102187. The next prime is 1212220102231. The reversal of 1212220102201 is 1022010222121.

It is a happy number.

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 1212220102201 - 2¹⁷ = 1212219971129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212220102231) 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, 1618036 + ... + 2245546.

It is an arithmetic number, because the mean of its divisors is an integer number (151756874568).

Almost surely, 2^{1212220102201} is an apocalyptic number.

It is an amenable number.

1212220102201 is a deficient number, since it is larger than the sum of its proper divisors (1834894343).

1212220102201 is a wasteful number, since it uses less digits than its factorization.

1212220102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630431.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212220102201 its reverse (1022010222121), we get a palindrome (2234230324322).

The spelling of 1212220102201 in words is "one trillion, two hundred twelve billion, two hundred twenty million, one hundred two thousand, two hundred one".