1212022120201 has 8 divisors (see below), whose sum is σ = 1226669328864. Its totient is φ = 1197375972000.

The previous prime is 1212022120193. The next prime is 1212022120277. The reversal of 1212022120201 is 1020212202121.

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 1212022120201 - 2³ = 1212022120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212022120801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168701 + ... + 2669701.

It is an arithmetic number, because the mean of its divisors is an integer number (153333666108).

Almost surely, 2^{1212022120201} is an apocalyptic number.

It is an amenable number.

1212022120201 is a deficient number, since it is larger than the sum of its proper divisors (14647208663).

1212022120201 is an equidigital number, since it uses as much as digits as its factorization.

1212022120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530231.

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

Adding to 1212022120201 its reverse (1020212202121), we get a palindrome (2232234322322).

The spelling of 1212022120201 in words is "one trillion, two hundred twelve billion, twenty-two million, one hundred twenty thousand, two hundred one".