383212141 has 8 divisors (see below), whose sum is σ = 413704760. Its totient is φ = 352864512.

The previous prime is 383212133. The next prime is 383212163. The reversal of 383212141 is 141212383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 170198116 + 213014025 = 13046^2 + 14595^2 .

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

It is not a de Polignac number, because 383212141 - 2³ = 383212133 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383212171) 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, 30720 + ... + 41353.

It is an arithmetic number, because the mean of its divisors is an integer number (51713095).

Almost surely, 2^383212141 is an apocalyptic number.

It is an amenable number.

383212141 is a deficient number, since it is larger than the sum of its proper divisors (30492619).

383212141 is a wasteful number, since it uses less digits than its factorization.

383212141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72495.

The product of its digits is 1152, while the sum is 25.

The square root of 383212141 is about 19575.8049898338. The cubic root of 383212141 is about 726.3508013574.

The spelling of 383212141 in words is "three hundred eighty-three million, two hundred twelve thousand, one hundred forty-one".