1220210012 has 24 divisors (see below), whose sum is σ = 2451089760. Its totient is φ = 520660800.

The previous prime is 1220210009. The next prime is 1220210029. The reversal of 1220210012 is 2100120221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220209975 and 1220210002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 88739 + ... + 101562.

It is an arithmetic number, because the mean of its divisors is an integer number (102128740).

Almost surely, 2^1220210012 is an apocalyptic number.

It is an amenable number.

1220210012 is an abundant number, since it is smaller than the sum of its proper divisors (1230879748).

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

1220210012 is a wasteful number, since it uses less digits than its factorization.

1220210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190541 (or 190539 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1220210012 is about 34931.5045768143. The cubic root of 1220210012 is about 1068.5910392173.

Adding to 1220210012 its reverse (2100120221), we get a palindrome (3320330233).

The spelling of 1220210012 in words is "one billion, two hundred twenty million, two hundred ten thousand, twelve".