1200010201031 has 2 divisors, whose sum is σ = 1200010201032. Its totient is φ = 1200010201030.

The previous prime is 1200010201003. The next prime is 1200010201057. The reversal of 1200010201031 is 1301020100021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200010201031 - 2¹⁰ = 1200010200007 is a prime.

It is a super-2 number, since 2×1200010201031² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200030201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600005100515 + 600005100516.

It is an arithmetic number, because the mean of its divisors is an integer number (600005100516).

Almost surely, 2^{1200010201031} is an apocalyptic number.

1200010201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200010201031 is an equidigital number, since it uses as much as digits as its factorization.

1200010201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1200010201031 its reverse (1301020100021), we get a palindrome (2501030301052).

It can be divided in two parts, 1200010 and 201031, that added together give a palindrome (1401041).

The spelling of 1200010201031 in words is "one trillion, two hundred billion, ten million, two hundred one thousand, thirty-one".