1212001200101 has 8 divisors (see below), whose sum is σ = 1225192362240. Its totient is φ = 1198824248448.

The previous prime is 1212001200079. The next prime is 1212001200133. The reversal of 1212001200101 is 1010021002121.

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 1212001200101 - 2⁶ = 1212001200037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212001200161) 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, 3381071 + ... + 3722316.

It is an arithmetic number, because the mean of its divisors is an integer number (153149045280).

Almost surely, 2^{1212001200101} is an apocalyptic number.

It is an amenable number.

1212001200101 is a deficient number, since it is larger than the sum of its proper divisors (13191162139).

1212001200101 is an equidigital number, since it uses as much as digits as its factorization.

1212001200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105243.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1212001200101 its reverse (1010021002121), we get a palindrome (2222022202222).

The spelling of 1212001200101 in words is "one trillion, two hundred twelve billion, one million, two hundred thousand, one hundred one".