1012232042201 has 2 divisors, whose sum is σ = 1012232042202. Its totient is φ = 1012232042200.

The previous prime is 1012232042177. The next prime is 1012232042273. The reversal of 1012232042201 is 1022402322101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919011739801 + 93220302400 = 958651^2 + 305320^2 .

It is an emirp because it is prime and its reverse (1022402322101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012232042201 is a prime.

It is a super-2 number, since 2×1012232042201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012232042291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506116021100 + 506116021101.

It is an arithmetic number, because the mean of its divisors is an integer number (506116021101).

Almost surely, 2^{1012232042201} is an apocalyptic number.

It is an amenable number.

1012232042201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012232042201 is an equidigital number, since it uses as much as digits as its factorization.

1012232042201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1012232042201 its reverse (1022402322101), we get a palindrome (2034634364302).

The spelling of 1012232042201 in words is "one trillion, twelve billion, two hundred thirty-two million, forty-two thousand, two hundred one".