1210201211012 has 12 divisors (see below), whose sum is σ = 2117938843020. Its totient is φ = 605075827296.

The previous prime is 1210201210991. The next prime is 1210201211017. The reversal of 1210201211012 is 2101121020121.

It can be written as a sum of positive squares in 2 ways, for example, as 227315354176 + 982885856836 = 476776^2 + 991406^2 .

It is a super-2 number, since 2×1210201211012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210201211017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6084443 + ... + 6280194.

It is an arithmetic number, because the mean of its divisors is an integer number (176494903585).

Almost surely, 2^{1210201211012} is an apocalyptic number.

It is an amenable number.

1210201211012 is a deficient number, since it is larger than the sum of its proper divisors (907737632008).

1210201211012 is a wasteful number, since it uses less digits than its factorization.

1210201211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12389110 (or 12389108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210201211012 its reverse (2101121020121), we get a palindrome (3311322231133).

The spelling of 1210201211012 in words is "one trillion, two hundred ten billion, two hundred one million, two hundred eleven thousand, twelve".