10120230400421 has 8 divisors (see below), whose sum is σ = 10715568669144. Its totient is φ = 9524895531520.

The previous prime is 10120230400409. The next prime is 10120230400471. The reversal of 10120230400421 is 12400403202101.

10120230400421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 817053288100 + 9303177112321 = 903910^2 + 3050111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120230400421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120230400393 and 10120230400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120230400471) 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, 7785131 + ... + 8991591.

It is an arithmetic number, because the mean of its divisors is an integer number (1339446083643).

Almost surely, 2^{10120230400421} is an apocalyptic number.

It is an amenable number.

10120230400421 is a deficient number, since it is larger than the sum of its proper divisors (595338268723).

10120230400421 is a wasteful number, since it uses less digits than its factorization.

10120230400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699911.

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

Adding to 10120230400421 its reverse (12400403202101), we get a palindrome (22520633602522).

The spelling of 10120230400421 in words is "ten trillion, one hundred twenty billion, two hundred thirty million, four hundred thousand, four hundred twenty-one".