202204212123 has 8 divisors (see below), whose sum is σ = 285464770128. Its totient is φ = 126873231104.

The previous prime is 202204212121. The next prime is 202204212137. The reversal of 202204212123 is 321212402202.

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

It is a cyclic number.

It is not a de Polignac number, because 202204212123 - 2¹ = 202204212121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202204212123.

It is not an unprimeable number, because it can be changed into a prime (202204212121) 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, 1982394186 + ... + 1982394287.

It is an arithmetic number, because the mean of its divisors is an integer number (35683096266).

Almost surely, 2^202204212123 is an apocalyptic number.

202204212123 is a deficient number, since it is larger than the sum of its proper divisors (83260558005).

202204212123 is a wasteful number, since it uses less digits than its factorization.

202204212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964788493.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202204212123 its reverse (321212402202), we get a palindrome (523416614325).

The spelling of 202204212123 in words is "two hundred two billion, two hundred four million, two hundred twelve thousand, one hundred twenty-three".