202124421240245 has 16 divisors (see below), whose sum is σ = 277230377193600. Its totient is φ = 138584017675584.

The previous prime is 202124421240229. The next prime is 202124421240277. The reversal of 202124421240245 is 542042124421202.

202124421240245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202124421240245 - 2⁴ = 202124421240229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324381395 + ... + 325003904.

It is an arithmetic number, because the mean of its divisors is an integer number (17326898574600).

Almost surely, 2^{202124421240245} is an apocalyptic number.

It is an amenable number.

202124421240245 is a deficient number, since it is larger than the sum of its proper divisors (75105955953355).

202124421240245 is an equidigital number, since it uses as much as digits as its factorization.

202124421240245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649394204.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 202124421240245 its reverse (542042124421202), we get a palindrome (744166545661447).

The spelling of 202124421240245 in words is "two hundred two trillion, one hundred twenty-four billion, four hundred twenty-one million, two hundred forty thousand, two hundred forty-five".