131012200122143 has 4 divisors (see below), whose sum is σ = 137907579075960. Its totient is φ = 124116821168328.

The previous prime is 131012200122131. The next prime is 131012200122173. The reversal of 131012200122143 is 341221002210131.

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 131012200122143 - 2¹² = 131012200118047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012200122103) 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, 3447689476880 + ... + 3447689476917.

It is an arithmetic number, because the mean of its divisors is an integer number (34476894768990).

Almost surely, 2^{131012200122143} is an apocalyptic number.

131012200122143 is a deficient number, since it is larger than the sum of its proper divisors (6895378953817).

131012200122143 is an equidigital number, since it uses as much as digits as its factorization.

131012200122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895378953816.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131012200122143 its reverse (341221002210131), we get a palindrome (472233202332274).

The spelling of 131012200122143 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, one hundred twenty-two thousand, one hundred forty-three".