1012012021094 has 4 divisors (see below), whose sum is σ = 1518018031644. Its totient is φ = 506006010546.

The previous prime is 1012012021093. The next prime is 1012012021109. The reversal of 1012012021094 is 4901202102101.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012012021093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253003005272 + ... + 253003005275.

It is an arithmetic number, because the mean of its divisors is an integer number (379504507911).

Almost surely, 2^{1012012021094} is an apocalyptic number.

1012012021094 is a deficient number, since it is larger than the sum of its proper divisors (506006010550).

1012012021094 is an equidigital number, since it uses as much as digits as its factorization.

1012012021094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506006010549.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1012012021094 its reverse (4901202102101), we get a palindrome (5913214123195).

The spelling of 1012012021094 in words is "one trillion, twelve billion, twelve million, twenty-one thousand, ninety-four".