1201000222012 has 12 divisors (see below), whose sum is σ = 2105294659776. Its totient is φ = 599487462080.

The previous prime is 1201000221989. The next prime is 1201000222039. The reversal of 1201000222012 is 2102220001021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201000221983 and 1201000222001.

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, 253159564 + ... + 253164307.

It is an arithmetic number, because the mean of its divisors is an integer number (175441221648).

Almost surely, 2^{1201000222012} is an apocalyptic number.

It is an amenable number.

1201000222012 is a deficient number, since it is larger than the sum of its proper divisors (904294437764).

1201000222012 is a wasteful number, since it uses less digits than its factorization.

1201000222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506324468 (or 506324466 counting only the distinct ones).

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

Adding to 1201000222012 its reverse (2102220001021), we get a palindrome (3303220223033).

The spelling of 1201000222012 in words is "one trillion, two hundred one billion, two hundred twenty-two thousand, twelve".