1202221120123 has 8 divisors (see below), whose sum is σ = 1278498703680. Its totient is φ = 1126561169280.

The previous prime is 1202221120103. The next prime is 1202221120193. The reversal of 1202221120123 is 3210211222021.

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 1202221120123 - 2²¹ = 1202219022971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202221120123.

It is not an unprimeable number, because it can be changed into a prime (1202221120103) 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, 154404163 + ... + 154411948.

It is an arithmetic number, because the mean of its divisors is an integer number (159812337960).

Almost surely, 2^{1202221120123} is an apocalyptic number.

1202221120123 is a deficient number, since it is larger than the sum of its proper divisors (76277583557).

1202221120123 is a wasteful number, since it uses less digits than its factorization.

1202221120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308816357.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1202221120123 its reverse (3210211222021), we get a palindrome (4412432342144).

The spelling of 1202221120123 in words is "one trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-three".