2012121430143 has 32 divisors (see below), whose sum is σ = 3057324244992. Its totient is φ = 1165166402400.

The previous prime is 2012121430087. The next prime is 2012121430169. The reversal of 2012121430143 is 3410341212102.

It is not a de Polignac number, because 2012121430143 - 2²¹ = 2012119332991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012121430183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763555 + ... + 2146452.

It is an arithmetic number, because the mean of its divisors is an integer number (95541382656).

Almost surely, 2^{2012121430143} is an apocalyptic number.

2012121430143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2012121430143 is a deficient number, since it is larger than the sum of its proper divisors (1045202814849).

2012121430143 is a wasteful number, since it uses less digits than its factorization.

2012121430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910955.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2012121430143 its reverse (3410341212102), we get a palindrome (5422462642245).

The spelling of 2012121430143 in words is "two trillion, twelve billion, one hundred twenty-one million, four hundred thirty thousand, one hundred forty-three".