1201012084637 has 2 divisors, whose sum is σ = 1201012084638. Its totient is φ = 1201012084636.

The previous prime is 1201012084633. The next prime is 1201012084681. The reversal of 1201012084637 is 7364802101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 740875069081 + 460137015556 = 860741^2 + 678334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201012084637 - 2² = 1201012084633 is a prime.

It is a super-2 number, since 2×1201012084637² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201012084597 and 1201012084606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201012084633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506042318 + 600506042319.

It is an arithmetic number, because the mean of its divisors is an integer number (600506042319).

Almost surely, 2^{1201012084637} is an apocalyptic number.

It is an amenable number.

1201012084637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201012084637 is an equidigital number, since it uses as much as digits as its factorization.

1201012084637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 1201012084637 its reverse (7364802101021), we get a palindrome (8565814185658).

The spelling of 1201012084637 in words is "one trillion, two hundred one billion, twelve million, eighty-four thousand, six hundred thirty-seven".