1230221201012 has 12 divisors (see below), whose sum is σ = 2157681953700. Its totient is φ = 613740642816.

The previous prime is 1230221200993. The next prime is 1230221201029. The reversal of 1230221201012 is 2101021220321.

It can be written as a sum of positive squares in 2 ways, for example, as 880602067216 + 349619133796 = 938404^2 + 591286^2 .

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, 342487403 + ... + 342490994.

It is an arithmetic number, because the mean of its divisors is an integer number (179806829475).

Almost surely, 2^{1230221201012} is an apocalyptic number.

It is an amenable number.

1230221201012 is a deficient number, since it is larger than the sum of its proper divisors (927460752688).

1230221201012 is a wasteful number, since it uses less digits than its factorization.

1230221201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684978850 (or 684978848 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1230221201012 its reverse (2101021220321), we get a palindrome (3331242421333).

The spelling of 1230221201012 in words is "one trillion, two hundred thirty billion, two hundred twenty-one million, two hundred one thousand, twelve".