1201220000212 has 12 divisors (see below), whose sum is σ = 2102448751956. Its totient is φ = 600520356800.

The previous prime is 1201220000191. The next prime is 1201220000237. The reversal of 1201220000212 is 2120000221021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 153598151056 + 1047621849156 = 391916^2 + 1023534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201220000192 and 1201220000201.

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, 22380673 + ... + 22434280.

It is an arithmetic number, because the mean of its divisors is an integer number (175204062663).

Almost surely, 2^{1201220000212} is an apocalyptic number.

It is an amenable number.

1201220000212 is a deficient number, since it is larger than the sum of its proper divisors (901228751744).

1201220000212 is a wasteful number, since it uses less digits than its factorization.

1201220000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44821658 (or 44821656 counting only the distinct ones).

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

Adding to 1201220000212 its reverse (2120000221021), we get a palindrome (3321220221233).

The spelling of 1201220000212 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.