1202220012 has 48 divisors (see below), whose sum is σ = 3230422272. Its totient is φ = 340866240.

The previous prime is 1202219989. The next prime is 1202220013. The reversal of 1202220012 is 2100222021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1202220012.

It is not an unprimeable number, because it can be changed into a prime (1202220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43623 + ... + 65630.

It is an arithmetic number, because the mean of its divisors is an integer number (67300464).

Almost surely, 2^1202220012 is an apocalyptic number.

1202220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202220012 is an abundant number, since it is smaller than the sum of its proper divisors (2028202260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202220012 is a wasteful number, since it uses less digits than its factorization.

1202220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109398 (or 109396 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1202220012 is about 34673.0444581955. The cubic root of 1202220012 is about 1063.3134751475.

Adding to 1202220012 its reverse (2100222021), we get a palindrome (3302442033).

The spelling of 1202220012 in words is "one billion, two hundred two million, two hundred twenty thousand, twelve".