10042421312 has 56 divisors (see below), whose sum is σ = 24845223360. Its totient is φ = 3912629760.

The previous prime is 10042421309. The next prime is 10042421321. The reversal of 10042421312 is 21312424001.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013987 + ... + 1023842.

Almost surely, 2^10042421312 is an apocalyptic number.

It is an amenable number.

10042421312 is an abundant number, since it is smaller than the sum of its proper divisors (14802802048).

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

10042421312 is a wasteful number, since it uses less digits than its factorization.

10042421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037859 (or 2037849 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10042421312 its reverse (21312424001), we get a palindrome (31354845313).

The spelling of 10042421312 in words is "ten billion, forty-two million, four hundred twenty-one thousand, three hundred twelve".