10120012143 has 4 divisors (see below), whose sum is σ = 13493349528. Its totient is φ = 6746674760.

The previous prime is 10120012109. The next prime is 10120012153. The reversal of 10120012143 is 34121002101.

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 10120012143 - 2⁶ = 10120012079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120012153) 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, 1686668688 + ... + 1686668693.

It is an arithmetic number, because the mean of its divisors is an integer number (3373337382).

Almost surely, 2^10120012143 is an apocalyptic number.

10120012143 is a deficient number, since it is larger than the sum of its proper divisors (3373337385).

10120012143 is an equidigital number, since it uses as much as digits as its factorization.

10120012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373337384.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10120012143 its reverse (34121002101), we get a palindrome (44241014244).

The spelling of 10120012143 in words is "ten billion, one hundred twenty million, twelve thousand, one hundred forty-three".