1126012661201 has 4 divisors (see below), whose sum is σ = 1162335650304. Its totient is φ = 1089689672100.

The previous prime is 1126012661167. The next prime is 1126012661203. The reversal of 1126012661201 is 1021662106211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1126012661201 - 2¹⁴ = 1126012644817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1126012661203) 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, 18161494505 + ... + 18161494566.

It is an arithmetic number, because the mean of its divisors is an integer number (290583912576).

Almost surely, 2^{1126012661201} is an apocalyptic number.

It is an amenable number.

1126012661201 is a deficient number, since it is larger than the sum of its proper divisors (36322989103).

1126012661201 is an equidigital number, since it uses as much as digits as its factorization.

1126012661201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36322989102.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 1126012661201 its reverse (1021662106211), we get a palindrome (2147674767412).

The spelling of 1126012661201 in words is "one trillion, one hundred twenty-six billion, twelve million, six hundred sixty-one thousand, two hundred one".