1012011321223 has 8 divisors (see below), whose sum is σ = 1224618741792. Its totient is φ = 816412494336.

The previous prime is 1012011321157. The next prime is 1012011321239. The reversal of 1012011321223 is 3221231102101.

1012011321223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012011321223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012011321223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012011321023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4252148290 + ... + 4252148527.

It is an arithmetic number, because the mean of its divisors is an integer number (153077342724).

Almost surely, 2^{1012011321223} is an apocalyptic number.

1012011321223 is a deficient number, since it is larger than the sum of its proper divisors (212607420569).

1012011321223 is an equidigital number, since it uses as much as digits as its factorization.

1012011321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504296841.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1012011321223 its reverse (3221231102101), we get a palindrome (4233242423324).

The spelling of 1012011321223 in words is "one trillion, twelve billion, eleven million, three hundred twenty-one thousand, two hundred twenty-three".