1211030013023 has 12 divisors (see below), whose sum is σ = 1218534348120. Its totient is φ = 1203565688832.

The previous prime is 1211030012999. The next prime is 1211030013059. The reversal of 1211030013023 is 3203100301121.

It is not a de Polignac number, because 1211030013023 - 2²⁰ = 1211028964447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211030012992 and 1211030013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211030010023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29239013 + ... + 29280401.

It is an arithmetic number, because the mean of its divisors is an integer number (101544529010).

Almost surely, 2^{1211030013023} is an apocalyptic number.

1211030013023 is a deficient number, since it is larger than the sum of its proper divisors (7504335097).

1211030013023 is an frugal number, since it uses more digits than its factorization.

1211030013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42346 (or 42089 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1211030013023 its reverse (3203100301121), we get a palindrome (4414130314144).

The spelling of 1211030013023 in words is "one trillion, two hundred eleven billion, thirty million, thirteen thousand, twenty-three".