10421054425512 has 96 divisors (see below), whose sum is σ = 29211729510600. Its totient is φ = 3352201348608.

The previous prime is 10421054425511. The next prime is 10421054425531. The reversal of 10421054425512 is 21552445012401.

10421054425512 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 10 + 54 + 42 + 551 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3933264696516 + 6487789728996 = 1983246^2 + 2547114^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10421054425511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2854818 + ... + 5384430.

Almost surely, 2^{10421054425512} is an apocalyptic number.

10421054425512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10421054425512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14605864755300).

10421054425512 is an abundant number, since it is smaller than the sum of its proper divisors (18790675085088).

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

10421054425512 is a wasteful number, since it uses less digits than its factorization.

10421054425512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531627 (or 2531620 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 10421054425512 its reverse (21552445012401), we get a palindrome (31973499437913).

The spelling of 10421054425512 in words is "ten trillion, four hundred twenty-one billion, fifty-four million, four hundred twenty-five thousand, five hundred twelve".