1201212112223 has 8 divisors (see below), whose sum is σ = 1273530451200. Its totient is φ = 1129803438168.

The previous prime is 1201212112201. The next prime is 1201212112229. The reversal of 1201212112223 is 3222112121021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201212112223 is a prime.

It is a super-2 number, since 2×1201212112223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201212112195 and 1201212112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201212112229) 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, 227413511 + ... + 227418792.

It is an arithmetic number, because the mean of its divisors is an integer number (159191306400).

Almost surely, 2^{1201212112223} is an apocalyptic number.

1201212112223 is a deficient number, since it is larger than the sum of its proper divisors (72318338977).

1201212112223 is a wasteful number, since it uses less digits than its factorization.

1201212112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454832461.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1201212112223 its reverse (3222112121021), we get a palindrome (4423324233244).

The spelling of 1201212112223 in words is "one trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, two hundred twenty-three".