1202210122 has 4 divisors (see below), whose sum is σ = 1803315186. Its totient is φ = 601105060.

The previous prime is 1202210057. The next prime is 1202210147. The reversal of 1202210122 is 2210122021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210122021 = 19073 ⋅115877.

It can be written as a sum of positive squares in only one way, i.e., 715081081 + 487129041 = 26741^2 + 22071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300552529 + ... + 300552532.

Almost surely, 2^1202210122 is an apocalyptic number.

1202210122 is a deficient number, since it is larger than the sum of its proper divisors (601105064).

1202210122 is an equidigital number, since it uses as much as digits as its factorization.

1202210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601105063.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1202210122 is about 34672.9018399095. The cubic root of 1202210122 is about 1063.3105593753.

Adding to 1202210122 its reverse (2210122021), we get a palindrome (3412332143).

The spelling of 1202210122 in words is "one billion, two hundred two million, two hundred ten thousand, one hundred twenty-two".