2123012121203 has 8 divisors (see below), whose sum is σ = 2151885515472. Its totient is φ = 2094281312256.

The previous prime is 2123012121179. The next prime is 2123012121211. The reversal of 2123012121203 is 3021212103212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123012121203 - 2⁸ = 2123012120947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123015121203) 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, 35616350 + ... + 35675907.

It is an arithmetic number, because the mean of its divisors is an integer number (268985689434).

Almost surely, 2^{2123012121203} is an apocalyptic number.

2123012121203 is a deficient number, since it is larger than the sum of its proper divisors (28873394269).

2123012121203 is an equidigital number, since it uses as much as digits as its factorization.

2123012121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71292661.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2123012121203 its reverse (3021212103212), we get a palindrome (5144224224415).

The spelling of 2123012121203 in words is "two trillion, one hundred twenty-three billion, twelve million, one hundred twenty-one thousand, two hundred three".