12103021203011 has 4 divisors (see below), whose sum is σ = 12103597037400. Its totient is φ = 12102445368624.

The previous prime is 12103021202983. The next prime is 12103021203023. The reversal of 12103021203011 is 11030212030121.

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

It is a cyclic number.

It is not a de Polignac number, because 12103021203011 - 2¹⁸ = 12103020940867 is a prime.

It is a super-2 number, since 2×12103021203011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103021203811) 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, 287885666 + ... + 287927703.

It is an arithmetic number, because the mean of its divisors is an integer number (3025899259350).

Almost surely, 2^{12103021203011} is an apocalyptic number.

12103021203011 is a deficient number, since it is larger than the sum of its proper divisors (575834389).

12103021203011 is an equidigital number, since it uses as much as digits as its factorization.

12103021203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575834388.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12103021203011 its reverse (11030212030121), we get a palindrome (23133233233132).

It can be divided in two parts, 1 and 2103021203011, that added together give a palindrome (2103021203012).

The spelling of 12103021203011 in words is "twelve trillion, one hundred three billion, twenty-one million, two hundred three thousand, eleven".