10512640142 has 4 divisors (see below), whose sum is σ = 15768960216. Its totient is φ = 5256320070.

The previous prime is 10512640141. The next prime is 10512640189. The reversal of 10512640142 is 24104621501.

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

It is a super-2 number, since 2×10512640142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10512640141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628160034 + ... + 2628160037.

It is an arithmetic number, because the mean of its divisors is an integer number (3942240054).

Almost surely, 2^10512640142 is an apocalyptic number.

10512640142 is a deficient number, since it is larger than the sum of its proper divisors (5256320074).

10512640142 is an equidigital number, since it uses as much as digits as its factorization.

10512640142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256320073.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 10512640142 in words is "ten billion, five hundred twelve million, six hundred forty thousand, one hundred forty-two".