4202121123340 has 24 divisors (see below), whose sum is σ = 10085090696352. Its totient is φ = 1440727242240.

The previous prime is 4202121123283. The next prime is 4202121123367. The reversal of 4202121123340 is 433211212024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15007575301 + ... + 15007575580.

It is an arithmetic number, because the mean of its divisors is an integer number (420212112348).

Almost surely, 2^{4202121123340} is an apocalyptic number.

It is an amenable number.

4202121123340 is an abundant number, since it is smaller than the sum of its proper divisors (5882969573012).

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

4202121123340 is a wasteful number, since it uses less digits than its factorization.

4202121123340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30015150897 (or 30015150895 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4202121123340 its reverse (433211212024), we get a palindrome (4635332335364).

The spelling of 4202121123340 in words is "four trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-three thousand, three hundred forty".