1012422203421 has 4 divisors (see below), whose sum is σ = 1349896271232. Its totient is φ = 674948135612.

The previous prime is 1012422203381. The next prime is 1012422203449. The reversal of 1012422203421 is 1243022242101.

1012422203421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012422203421 - 2¹⁸ = 1012421941277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012422203391 and 1012422203400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012422203521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168737033901 + ... + 168737033906.

It is an arithmetic number, because the mean of its divisors is an integer number (337474067808).

Almost surely, 2^{1012422203421} is an apocalyptic number.

It is an amenable number.

1012422203421 is a deficient number, since it is larger than the sum of its proper divisors (337474067811).

1012422203421 is an equidigital number, since it uses as much as digits as its factorization.

1012422203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337474067810.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1012422203421 its reverse (1243022242101), we get a palindrome (2255444445522).

The spelling of 1012422203421 in words is "one trillion, twelve billion, four hundred twenty-two million, two hundred three thousand, four hundred twenty-one".