1200220010012 has 6 divisors (see below), whose sum is σ = 2100385017528. Its totient is φ = 600110005004.

The previous prime is 1200220009951. The next prime is 1200220010063. The reversal of 1200220010012 is 2100100220021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200220009975 and 1200220010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150027501248 + ... + 150027501255.

It is an arithmetic number, because the mean of its divisors is an integer number (350064169588).

Almost surely, 2^{1200220010012} is an apocalyptic number.

It is an amenable number.

1200220010012 is a deficient number, since it is larger than the sum of its proper divisors (900165007516).

1200220010012 is a wasteful number, since it uses less digits than its factorization.

1200220010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300055002507 (or 300055002505 counting only the distinct ones).

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

Adding to 1200220010012 its reverse (2100100220021), we get a palindrome (3300320230033).

The spelling of 1200220010012 in words is "one trillion, two hundred billion, two hundred twenty million, ten thousand, twelve".