1012042133421 has 8 divisors (see below), whose sum is σ = 1472061285024. Its totient is φ = 613358868720.

The previous prime is 1012042133419. The next prime is 1012042133483. The reversal of 1012042133421 is 1243312402101.

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

It is not a de Polignac number, because 1012042133421 - 2¹ = 1012042133419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012042133391 and 1012042133400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012042133821) 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, 15333971686 + ... + 15333971751.

It is an arithmetic number, because the mean of its divisors is an integer number (184007660628).

Almost surely, 2^{1012042133421} is an apocalyptic number.

1012042133421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012042133421 is a deficient number, since it is larger than the sum of its proper divisors (460019151603).

1012042133421 is a wasteful number, since it uses less digits than its factorization.

1012042133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30667943451.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1012042133421 its reverse (1243312402101), we get a palindrome (2255354535522).

The spelling of 1012042133421 in words is "one trillion, twelve billion, forty-two million, one hundred thirty-three thousand, four hundred twenty-one".