10142220012 has 24 divisors (see below), whose sum is σ = 23690956800. Its totient is φ = 3377057616.

The previous prime is 10142219981. The next prime is 10142220019. The reversal of 10142220012 is 21002224101.

It is a junction number, because it is equal to n+sod(n) for n = 10142219973 and 10142220000.

It is not an unprimeable number, because it can be changed into a prime (10142220019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448812 + ... + 470867.

It is an arithmetic number, because the mean of its divisors is an integer number (987123200).

Almost surely, 2^10142220012 is an apocalyptic number.

10142220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10142220012 is an abundant number, since it is smaller than the sum of its proper divisors (13548736788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10142220012 is a wasteful number, since it uses less digits than its factorization.

10142220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920605 (or 920603 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10142220012 its reverse (21002224101), we get a palindrome (31144444113).

The spelling of 10142220012 in words is "ten billion, one hundred forty-two million, two hundred twenty thousand, twelve".