1202220112 has 10 divisors (see below), whose sum is σ = 2329301498. Its totient is φ = 601110048.

The previous prime is 1202220023. The next prime is 1202220133. The reversal of 1202220112 is 2110222021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1086097936 + 116122176 = 32956^2 + 10776^2 .

It is a super-3 number, since 3×1202220112³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202220092 and 1202220101.

It is a congruent number.

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, 37569363 + ... + 37569394.

Almost surely, 2^1202220112 is an apocalyptic number.

It is an amenable number.

1202220112 is a deficient number, since it is larger than the sum of its proper divisors (1127081386).

1202220112 is an equidigital number, since it uses as much as digits as its factorization.

1202220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75138765 (or 75138759 counting only the distinct ones).

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

The square root of 1202220112 is about 34673.0459002378. The cubic root of 1202220112 is about 1063.3135046294.

Adding to 1202220112 its reverse (2110222021), we get a palindrome (3312442133).

The spelling of 1202220112 in words is "one billion, two hundred two million, two hundred twenty thousand, one hundred twelve".