238212123822 has 48 divisors (see below), whose sum is σ = 526343583168. Its totient is φ = 77834877120.

The previous prime is 238212123731. The next prime is 238212123823. The reversal of 238212123822 is 228321212832.

238212123822 is a `hidden beast` number, since 2 + 382 + 1 + 21 + 238 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238212123823) 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, 939072 + ... + 1165452.

It is an arithmetic number, because the mean of its divisors is an integer number (10965491316).

Almost surely, 2^238212123822 is an apocalyptic number.

238212123822 is an abundant number, since it is smaller than the sum of its proper divisors (288131459346).

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

238212123822 is a wasteful number, since it uses less digits than its factorization.

238212123822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227545 (or 227542 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The spelling of 238212123822 in words is "two hundred thirty-eight billion, two hundred twelve million, one hundred twenty-three thousand, eight hundred twenty-two".