1212201120023 has 8 divisors (see below), whose sum is σ = 1213212971520. Its totient is φ = 1211189411800.

The previous prime is 1212201120019. The next prime is 1212201120059. The reversal of 1212201120023 is 3200211022121.

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 1212201120023 - 2² = 1212201120019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212201119983 and 1212201120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212201120073) 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, 22859486 + ... + 22912452.

It is an arithmetic number, because the mean of its divisors is an integer number (151651621440).

Almost surely, 2^{1212201120023} is an apocalyptic number.

1212201120023 is a deficient number, since it is larger than the sum of its proper divisors (1011851497).

1212201120023 is a wasteful number, since it uses less digits than its factorization.

1212201120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71637.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212201120023 its reverse (3200211022121), we get a palindrome (4412412142144).

The spelling of 1212201120023 in words is "one trillion, two hundred twelve billion, two hundred one million, one hundred twenty thousand, twenty-three".