1202212123 has 8 divisors (see below), whose sum is σ = 1374190848. Its totient is φ = 1030291944.

The previous prime is 1202212111. The next prime is 1202212157. The reversal of 1202212123 is 3212122021.

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 1202212123 - 2⁹ = 1202211611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202212097 and 1202212106.

It is not an unprimeable number, because it can be changed into a prime (1202212163) 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, 46290 + ... + 67432.

It is an arithmetic number, because the mean of its divisors is an integer number (171773856).

Almost surely, 2^1202212123 is an apocalyptic number.

1202212123 is a deficient number, since it is larger than the sum of its proper divisors (171978725).

1202212123 is an equidigital number, since it uses as much as digits as its factorization.

1202212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1202212123 is about 34672.9306952845. The cubic root of 1202212123 is about 1063.3111493119.

Adding to 1202212123 its reverse (3212122021), we get a palindrome (4414334144).

The spelling of 1202212123 in words is "one billion, two hundred two million, two hundred twelve thousand, one hundred twenty-three".