1200011220212 has 12 divisors (see below), whose sum is σ = 2400022440480. Its totient is φ = 514290522936.

The previous prime is 1200011220181. The next prime is 1200011220223. The reversal of 1200011220212 is 2120221100021.

1200011220212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21428771762 + ... + 21428771817.

It is an arithmetic number, because the mean of its divisors is an integer number (200001870040).

Almost surely, 2^{1200011220212} is an apocalyptic number.

It is an amenable number.

1200011220212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200011220212 is a wasteful number, since it uses less digits than its factorization.

1200011220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42857543590 (or 42857543588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200011220212 its reverse (2120221100021), we get a palindrome (3320232320233).

The spelling of 1200011220212 in words is "one trillion, two hundred billion, eleven million, two hundred twenty thousand, two hundred twelve".