10272421142 has 4 divisors (see below), whose sum is σ = 15408631716. Its totient is φ = 5136210570.

The previous prime is 10272421127. The next prime is 10272421163. The reversal of 10272421142 is 24112427201.

It is a happy number.

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

It is a super-2 number, since 2×10272421142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568105284 + ... + 2568105287.

It is an arithmetic number, because the mean of its divisors is an integer number (3852157929).

Almost surely, 2^10272421142 is an apocalyptic number.

10272421142 is a deficient number, since it is larger than the sum of its proper divisors (5136210574).

10272421142 is an equidigital number, since it uses as much as digits as its factorization.

10272421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136210573.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 10272421142 its reverse (24112427201), we get a palindrome (34384848343).

The spelling of 10272421142 in words is "ten billion, two hundred seventy-two million, four hundred twenty-one thousand, one hundred forty-two".