1241433420021 has 24 divisors (see below), whose sum is σ = 1802003654880. Its totient is φ = 823551976800.

The previous prime is 1241433419983. The next prime is 1241433420077. The reversal of 1241433420021 is 1200243341421.

1241433420021 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 433 + 4 + 200 + 21 = 666.

It is not a de Polignac number, because 1241433420021 - 2¹⁵ = 1241433387253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241433420221) 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, 11074270 + ... + 11185808.

It is an arithmetic number, because the mean of its divisors is an integer number (75083485620).

Almost surely, 2^{1241433420021} is an apocalyptic number.

It is an amenable number.

1241433420021 is a deficient number, since it is larger than the sum of its proper divisors (560570234859).

1241433420021 is a wasteful number, since it uses less digits than its factorization.

1241433420021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117617 (or 117614 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1241433420021 its reverse (1200243341421), we get a palindrome (2441676761442).

The spelling of 1241433420021 in words is "one trillion, two hundred forty-one billion, four hundred thirty-three million, four hundred twenty thousand, twenty-one".